404749936 has 10 divisors (see below), whose sum is σ = 784203032. Its totient is φ = 202374960.

The previous prime is 404749879. The next prime is 404749979. The reversal of 404749936 is 639947404.

It is a zygodrome in base 2.

It is a congruent number.

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 as a sum of consecutive naturals, namely, 12648420 + ... + 12648451.

Almost surely, 2^404749936 is an apocalyptic number.

It is an amenable number.

404749936 is a deficient number, since it is larger than the sum of its proper divisors (379453096).

404749936 is a wasteful number, since it uses less digits than its factorization.

404749936 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 25296879 (or 25296873 counting only the distinct ones).

The product of its (nonzero) digits is 653184, while the sum is 46.

The square root of 404749936 is about 20118.3979481469. The cubic root of 404749936 is about 739.7113166627.

The spelling of 404749936 in words is "four hundred four million, seven hundred forty-nine thousand, nine hundred thirty-six".