63965364 has 12 divisors (see below), whose sum is σ = 149252544. Its totient is φ = 21321784.

The previous prime is 63965359. The next prime is 63965383. The reversal of 63965364 is 46356936.

It is a tau number, because it is divible by the number of its divisors (12).

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 2665212 + ... + 2665235.

It is an arithmetic number, because the mean of its divisors is an integer number (12437712).

Almost surely, 2^63965364 is an apocalyptic number.

It is an amenable number.

63965364 is an abundant number, since it is smaller than the sum of its proper divisors (85287180).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

63965364 is a wasteful number, since it uses less digits than its factorization.

63965364 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 5330454 (or 5330452 counting only the distinct ones).

The product of its digits is 349920, while the sum is 42.

The square root of 63965364 is about 7997.8349570368. The cubic root of 63965364 is about 399.9278286457.

The spelling of 63965364 in words is "sixty-three million, nine hundred sixty-five thousand, three hundred sixty-four".