64366884 has 36 divisors (see below), whose sum is σ = 166677420. Its totient is φ = 20931840.

The previous prime is 64366877. The next prime is 64366891. The reversal of 64366884 is 48866346.

It is an interprime number because it is at equal distance from previous prime (64366877) and next prime (64366891).

It can be written as a sum of positive squares in 2 ways, for example, as 3526884 + 60840000 = 1878^2 + 7800^2 .

It is a tau number, because it is divible by the number of its divisors (36).

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, 20329 + ... + 23280.

Almost surely, 2^64366884 is an apocalyptic number.

It is an amenable number.

64366884 is an abundant number, since it is smaller than the sum of its proper divisors (102310536).

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

64366884 is a wasteful number, since it uses less digits than its factorization.

64366884 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 43660 (or 43655 counting only the distinct ones).

The product of its digits is 663552, while the sum is 45.

The square root of 64366884 is about 8022.8974815836. The cubic root of 64366884 is about 400.7628857550.

The spelling of 64366884 in words is "sixty-four million, three hundred sixty-six thousand, eight hundred eighty-four".