404149368 has 32 divisors (see below), whose sum is σ = 1154712960. Its totient is φ = 115471200.

The previous prime is 404149357. The next prime is 404149391. The reversal of 404149368 is 863941404.

It is a happy number.

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

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 1202658 + ... + 1202993.

It is an arithmetic number, because the mean of its divisors is an integer number (36084780).

Almost surely, 2^404149368 is an apocalyptic number.

It is an amenable number.

404149368 is an abundant number, since it is smaller than the sum of its proper divisors (750563592).

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

404149368 is a wasteful number, since it uses less digits than its factorization.

404149368 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2405667 (or 2405663 counting only the distinct ones).

The product of its (nonzero) digits is 82944, while the sum is 39.

The square root of 404149368 is about 20103.4665667392. The cubic root of 404149368 is about 739.3452743138.

The spelling of 404149368 in words is "four hundred four million, one hundred forty-nine thousand, three hundred sixty-eight".