402830328 has 32 divisors (see below), whose sum is σ = 1012199760. Its totient is φ = 133593600.

The previous prime is 402830299. The next prime is 402830333. The reversal of 402830328 is 823038204.

It is a junction number, because it is equal to n+sod(n) for n = 402830295 and 402830304.

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 7 ways as a sum of consecutive naturals, for example, 37873 + ... + 47328.

Almost surely, 2^402830328 is an apocalyptic number.

It is an amenable number.

402830328 is an abundant number, since it is smaller than the sum of its proper divisors (609369432).

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

402830328 is a wasteful number, since it uses less digits than its factorization.

402830328 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 85407 (or 85403 counting only the distinct ones).

The product of its (nonzero) digits is 9216, while the sum is 30.

The square root of 402830328 is about 20070.6334728130. The cubic root of 402830328 is about 738.5400531436.

The spelling of 402830328 in words is "four hundred two million, eight hundred thirty thousand, three hundred twenty-eight".