64383264 has 72 divisors (see below), whose sum is σ = 199744272. Its totient is φ = 19509120.

The previous prime is 64383251. The next prime is 64383283. The reversal of 64383264 is 46238346.

It is a happy number.

64383264 is a `hidden beast` number, since 643 + 8 + 3 + 2 + 6 + 4 = 666.

It is a tau number, because it is divible by the number of its divisors (72).

It is a Harshad number since it is a multiple of its sum of digits (36).

It is a nude number because it is divisible by every one of its digits.

It is an unprimeable number.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 6994 + ... + 13329.

It is an arithmetic number, because the mean of its divisors is an integer number (2774226).

Almost surely, 2^64383264 is an apocalyptic number.

It is an amenable number.

64383264 is an abundant number, since it is smaller than the sum of its proper divisors (135361008).

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

64383264 is a wasteful number, since it uses less digits than its factorization.

64383264 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 20350 (or 20339 counting only the distinct ones).

The product of its digits is 82944, while the sum is 36.

The square root of 64383264 is about 8023.9182448477. The cubic root of 64383264 is about 400.7968780758.

The spelling of 64383264 in words is "sixty-four million, three hundred eighty-three thousand, two hundred sixty-four".