404749924 has 12 divisors (see below), whose sum is σ = 709556848. Its totient is φ = 202019400.

The previous prime is 404749879. The next prime is 404749979. The reversal of 404749924 is 429947404.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 86322 + ... + 90889.

Almost surely, 2^404749924 is an apocalyptic number.

It is an amenable number.

404749924 is a deficient number, since it is larger than the sum of its proper divisors (304806924).

404749924 is a wasteful number, since it uses less digits than its factorization.

404749924 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 177786 (or 177784 counting only the distinct ones).

The product of its (nonzero) digits is 290304, while the sum is 43.

The square root of 404749924 is about 20118.3976499124. The cubic root of 404749924 is about 739.7113093524.

The spelling of 404749924 in words is "four hundred four million, seven hundred forty-nine thousand, nine hundred twenty-four".