424764 has 72 divisors (see below), whose sum is σ = 1223040. Its totient is φ = 128304.

The previous prime is 424757. The next prime is 424769. The reversal of 424764 is 467424.

It is a Harshad number since it is a multiple of its sum of digits (27).

It is a congruent number.

It is an inconsummate number, since it does not exist a number n which divided by its sum of digits gives 424764.

It is not an unprimeable number, because it can be changed into a prime (424769) by changing a digit.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 18457 + ... + 18479.

2⁴²⁴⁷⁶⁴ 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 424764, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (611520).

424764 is an abundant number, since it is smaller than the sum of its proper divisors (798276).

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

424764 is a wasteful number, since it uses less digits than its factorization.

424764 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 61 (or 47 counting only the distinct ones).

The product of its digits is 5376, while the sum is 27.

The square root of 424764 is about 651.7392116483. The cubic root of 424764 is about 75.1708106875.

The spelling of 424764 in words is "four hundred twenty-four thousand, seven hundred sixty-four".