404686899 has 6 divisors (see below), whose sum is σ = 584547756. Its totient is φ = 269791260.

The previous prime is 404686883. The next prime is 404686913. The reversal of 404686899 is 998686404.

It is not a de Polignac number, because 404686899 - 2⁴ = 404686883 is a prime.

It is not an unprimeable number, because it can be changed into a prime (404686829) by changing a digit.

It is a polite number, since it can be written in 5 ways as a sum of consecutive naturals, for example, 22482597 + ... + 22482614.

It is an arithmetic number, because the mean of its divisors is an integer number (97424626).

Almost surely, 2^404686899 is an apocalyptic number.

404686899 is a deficient number, since it is larger than the sum of its proper divisors (179860857).

404686899 is a wasteful number, since it uses less digits than its factorization.

404686899 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 44965217 (or 44965214 counting only the distinct ones).

The product of its (nonzero) digits is 2985984, while the sum is 54.

The square root of 404686899 is about 20116.8312365541. The cubic root of 404686899 is about 739.6729130304.

The spelling of 404686899 in words is "four hundred four million, six hundred eighty-six thousand, eight hundred ninety-nine".