396323858 has 18 divisors (see below), whose sum is σ = 691888743. Its totient is φ = 169768620.

The previous prime is 396323857. The next prime is 396323867. The reversal of 396323858 is 858323693.

It is a happy number.

It can be written as a sum of positive squares in only one way, i.e., 198161929 + 198161929 = 14077^2 + 14077^2 .

It is an ABA number since it can be written as A⋅B^A, here for A=2, B=14077.

It is not an unprimeable number, because it can be changed into a prime (396323857) by changing a digit.

It is a polite number, since it can be written in 8 ways as a sum of consecutive naturals, for example, 196073 + ... + 198083.

Almost surely, 2^396323858 is an apocalyptic number.

396323858 is a deficient number, since it is larger than the sum of its proper divisors (295564885).

396323858 is an frugal number, since it uses more digits than its factorization.

396323858 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 4038 (or 2020 counting only the distinct ones).

The product of its digits is 933120, while the sum is 47.

The square root of 396323858 is about 19907.8843175261. The cubic root of 396323858 is about 734.5421789858.

The spelling of 396323858 in words is "three hundred ninety-six million, three hundred twenty-three thousand, eight hundred fifty-eight".