424824 has 32 divisors (see below), whose sum is σ = 1098240. Its totient is φ = 136800.

The previous prime is 424819. The next prime is 424829. The reversal of 424824 is 428424.

It is an interprime number because it is at equal distance from previous prime (424819) and next prime (424829).

It is a Harshad number since it is a multiple of its sum of digits (24).

It is a nude number because it is divisible by every one of its digits.

It is a junction number, because it is equal to n+sod(n) for n = 424794 and 424803.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (424829) by changing a digit.

424824 is an untouchable number, because it is not equal to the sum of proper divisors of any number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 459 + ... + 1029.

It is an arithmetic number, because the mean of its divisors is an integer number (34320).

2⁴²⁴⁸²⁴ is an apocalyptic number.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 424824, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (549120).

424824 is an abundant number, since it is smaller than the sum of its proper divisors (673416).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

424824 is a wasteful number, since it uses less digits than its factorization.

424824 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 611 (or 607 counting only the distinct ones).

The product of its digits is 2048, while the sum is 24.

The square root of 424824 is about 651.7852407043. The cubic root of 424824 is about 75.1743499362.

Subtracting 424824 from its reverse (428424), we obtain a square (3600 = 60²).

It can be divided in two parts, 42482 and 4, that added together give a triangular number (42486 = T₂₉₁).

The spelling of 424824 in words is "four hundred twenty-four thousand, eight hundred twenty-four".