16404364 has 12 divisors (see below), whose sum is σ = 29178688. Its totient is φ = 8067600.

The previous prime is 16404361. The next prime is 16404373. The reversal of 16404364 is 46340461.

It is a happy number.

16404364 is nontrivially palindromic in base 11.

It is a hoax number, since the sum of its digits (28) 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 (16404361) 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, 33372 + ... + 33859.

Almost surely, 2^16404364 is an apocalyptic number.

It is an amenable number.

16404364 is a deficient number, since it is larger than the sum of its proper divisors (12774324).

16404364 is a wasteful number, since it uses less digits than its factorization.

16404364 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 67296 (or 67294 counting only the distinct ones).

The product of its (nonzero) digits is 6912, while the sum is 28.

The square root of 16404364 is about 4050.2301169193. The cubic root of 16404364 is about 254.0893520762.

The spelling of 16404364 in words is "sixteen million, four hundred four thousand, three hundred sixty-four".