63994804 has 12 divisors (see below), whose sum is σ = 112049028. Its totient is φ = 31980800.

The previous prime is 63994789. The next prime is 63994807. The reversal of 63994804 is 40849936.

It can be written as a sum of positive squares in 2 ways, for example, as 56972304 + 7022500 = 7548^2 + 2650^2 .

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (63994807) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 9534 + ... + 14794.

It is an arithmetic number, because the mean of its divisors is an integer number (9337419).

Almost surely, 2^63994804 is an apocalyptic number.

It is an amenable number.

63994804 is a deficient number, since it is larger than the sum of its proper divisors (48054224).

63994804 is a wasteful number, since it uses less digits than its factorization.

63994804 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 8306 (or 8304 counting only the distinct ones).

The product of its (nonzero) digits is 186624, while the sum is 43.

The square root of 63994804 is about 7999.6752434083. The cubic root of 63994804 is about 399.9891747070.

The spelling of 63994804 in words is "sixty-three million, nine hundred ninety-four thousand, eight hundred four".