63904937 has 16 divisors (see below), whose sum is σ = 67314240. Its totient is φ = 60614400.

The previous prime is 63904933. The next prime is 63904943. The reversal of 63904937 is 73940936.

It is not a de Polignac number, because 63904937 - 2² = 63904933 is a prime.

It is a Harshad number since it is a multiple of its sum of digits (41).

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 63904894 and 63904903.

It is not an unprimeable number, because it can be changed into a prime (63904933) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 302762 + ... + 302972.

It is an arithmetic number, because the mean of its divisors is an integer number (4207140).

Almost surely, 2^63904937 is an apocalyptic number.

It is an amenable number.

63904937 is a deficient number, since it is larger than the sum of its proper divisors (3409303).

63904937 is a wasteful number, since it uses less digits than its factorization.

63904937 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 424.

The product of its (nonzero) digits is 122472, while the sum is 41.

The square root of 63904937 is about 7994.0563545674. The cubic root of 63904937 is about 399.8018539449.

The spelling of 63904937 in words is "sixty-three million, nine hundred four thousand, nine hundred thirty-seven".