323338428 has 72 divisors (see below), whose sum is σ = 983265920. Its totient is φ = 87518880.

The previous prime is 323338399. The next prime is 323338459. The reversal of 323338428 is 824833323.

It is a happy number.

It is a super-2 number, since 2×323338428² = 209095478043022368, which contains 22 as substring.

It is a Harshad number since it is a multiple of its sum of digits (36).

It is a junction number, because it is equal to n+sod(n) for n = 323338392 and 323338401.

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 28978 + ... + 38553.

Almost surely, 2^323338428 is an apocalyptic number.

323338428 is a gapful number since it is divisible by the number (38) formed by its first and last digit.

It is an amenable number.

323338428 is an abundant number, since it is smaller than the sum of its proper divisors (659927492).

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

323338428 is a wasteful number, since it uses less digits than its factorization.

323338428 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 67567 (or 67562 counting only the distinct ones).

The product of its digits is 82944, while the sum is 36.

The square root of 323338428 is about 17981.6136094623. The cubic root of 323338428 is about 686.3607511341.

The spelling of 323338428 in words is "three hundred twenty-three million, three hundred thirty-eight thousand, four hundred twenty-eight".