396543028 has 24 divisors (see below), whose sum is σ = 803129600. Its totient is φ = 167794848.

The previous prime is 396543019. The next prime is 396543047. The reversal of 396543028 is 820345693.

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, 87423 + ... + 91846.

Almost surely, 2^396543028 is an apocalyptic number.

It is an amenable number.

396543028 is an abundant number, since it is smaller than the sum of its proper divisors (406586572).

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

396543028 is a wasteful number, since it uses less digits than its factorization.

396543028 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 179359 (or 179357 counting only the distinct ones).

The product of its (nonzero) digits is 155520, while the sum is 40.

The square root of 396543028 is about 19913.3881597281. The cubic root of 396543028 is about 734.6775564379.

The spelling of 396543028 in words is "three hundred ninety-six million, five hundred forty-three thousand, twenty-eight".