396004161 has 16 divisors (see below), whose sum is σ = 608190464. Its totient is φ = 224504784.

The previous prime is 396004139. The next prime is 396004177. The reversal of 396004161 is 161400693.

It is not a de Polignac number, because 396004161 - 2⁷ = 396004033 is a prime.

It is not an unprimeable number, because it can be changed into a prime (396005161) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 71575 + ... + 76908.

It is an arithmetic number, because the mean of its divisors is an integer number (38011904).

Almost surely, 2^396004161 is an apocalyptic number.

It is an amenable number.

396004161 is a deficient number, since it is larger than the sum of its proper divisors (212186303).

396004161 is a wasteful number, since it uses less digits than its factorization.

396004161 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 148620.

The product of its (nonzero) digits is 3888, while the sum is 30.

The square root of 396004161 is about 19899.8532909165. The cubic root of 396004161 is about 734.3446182475.

The spelling of 396004161 in words is "three hundred ninety-six million, four thousand, one hundred sixty-one".