2402424 has 48 divisors (see below), whose sum is σ = 6625320. Its totient is φ = 786240.

The previous prime is 2402401. The next prime is 2402431. The reversal of 2402424 is 4242042.

2402424 is a `hidden beast` number, since 240 + 2 + 424 = 666.

It is a Harshad number since it is a multiple of its sum of digits (18).

It is an Ulam number.

2402424 is a modest number, since divided by 2424 gives 240 as remainder.

It is a junction number, because it is equal to n+sod(n) for n = 2402397 and 2402406.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 4119 + ... + 4665.

2^2402424 is an apocalyptic number.

2402424 is a gapful number since it is divisible by the number (24) formed by its first and last digit.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 2402424, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (3312660).

2402424 is an abundant number, since it is smaller than the sum of its proper divisors (4222896).

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

2402424 is a wasteful number, since it uses less digits than its factorization.

2402424 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 620 (or 613 counting only the distinct ones).

The product of its (nonzero) digits is 512, while the sum is 18.

The square root of 2402424 is about 1549.9754836771. The cubic root of 2402424 is about 133.9316500016.

Adding to 2402424 its reverse (4242042), we get a palindrome (6644466).

The spelling of 2402424 in words is "two million, four hundred two thousand, four hundred twenty-four".