63391004 has 12 divisors (see below), whose sum is σ = 111076728. Its totient is φ = 31654800.

The previous prime is 63390997. The next prime is 63391019. The reversal of 63391004 is 40019336.

63391004 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

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 3 ways as a sum of consecutive naturals, for example, 6527 + ... + 13014.

It is an arithmetic number, because the mean of its divisors is an integer number (9256394).

Almost surely, 2^63391004 is an apocalyptic number.

It is an amenable number.

63391004 is a deficient number, since it is larger than the sum of its proper divisors (47685724).

63391004 is a wasteful number, since it uses less digits than its factorization.

63391004 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 20356 (or 20354 counting only the distinct ones).

The product of its (nonzero) digits is 1944, while the sum is 26.

The square root of 63391004 is about 7961.8467706933. The cubic root of 63391004 is about 398.7272126599.

The spelling of 63391004 in words is "sixty-three million, three hundred ninety-one thousand, four".