63890264 has 16 divisors (see below), whose sum is σ = 120424320. Its totient is φ = 31777120.

The previous prime is 63890261. The next prime is 63890317. The reversal of 63890264 is 46209836.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (63890261) 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, 19379 + ... + 22434.

It is an arithmetic number, because the mean of its divisors is an integer number (7526520).

Almost surely, 2^63890264 is an apocalyptic number.

It is an amenable number.

63890264 is a deficient number, since it is larger than the sum of its proper divisors (56534056).

63890264 is a wasteful number, since it uses less digits than its factorization.

63890264 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 42010 (or 42006 counting only the distinct ones).

The product of its (nonzero) digits is 62208, while the sum is 38.

The square root of 63890264 is about 7993.1385575380. The cubic root of 63890264 is about 399.7712525448.

The spelling of 63890264 in words is "sixty-three million, eight hundred ninety thousand, two hundred sixty-four".