396830824 has 16 divisors (see below), whose sum is σ = 801293220. Its totient is φ = 183152640.

The previous prime is 396830821. The next prime is 396830831. The reversal of 396830824 is 428038693.

It can be written as a sum of positive squares in 2 ways, for example, as 339222724 + 57608100 = 18418^2 + 7590^2 .

It is not an unprimeable number, because it can be changed into a prime (396830821) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 1907737 + ... + 1907944.

Almost surely, 2^396830824 is an apocalyptic number.

It is an amenable number.

396830824 is an abundant number, since it is smaller than the sum of its proper divisors (404462396).

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

396830824 is a wasteful number, since it uses less digits than its factorization.

396830824 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 3815700 (or 3815696 counting only the distinct ones).

The product of its (nonzero) digits is 248832, while the sum is 43.

The square root of 396830824 is about 19920.6130427756. The cubic root of 396830824 is about 734.8552472278.

The spelling of 396830824 in words is "three hundred ninety-six million, eight hundred thirty thousand, eight hundred twenty-four".