404364396 has 12 divisors (see below), whose sum is σ = 943516952. Its totient is φ = 134788128.

The previous prime is 404364391. The next prime is 404364421. The reversal of 404364396 is 693463404.

It is a happy number.

It is a tau number, because it is divible by the number of its divisors (12).

It is a hoax number, since the sum of its digits (39) coincides with the sum of the digits of its distinct prime factors.

It is not an unprimeable number, because it can be changed into a prime (404364391) 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, 16848505 + ... + 16848528.

Almost surely, 2^404364396 is an apocalyptic number.

It is an amenable number.

404364396 is an abundant number, since it is smaller than the sum of its proper divisors (539152556).

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

404364396 is a wasteful number, since it uses less digits than its factorization.

404364396 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 33697040 (or 33697038 counting only the distinct ones).

The product of its (nonzero) digits is 186624, while the sum is 39.

The square root of 404364396 is about 20108.8138884421. The cubic root of 404364396 is about 739.4763741509.

The spelling of 404364396 in words is "four hundred four million, three hundred sixty-four thousand, three hundred ninety-six".