438826764 has 12 divisors (see below), whose sum is σ = 1023929144. Its totient is φ = 146275584.

The previous prime is 438826747. The next prime is 438826769. The reversal of 438826764 is 467628834.

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

It is not an unprimeable number, because it can be changed into a prime (438826769) 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, 18284437 + ... + 18284460.

Almost surely, 2^438826764 is an apocalyptic number.

It is an amenable number.

438826764 is an abundant number, since it is smaller than the sum of its proper divisors (585102380).

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

438826764 is a wasteful number, since it uses less digits than its factorization.

438826764 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 36568904 (or 36568902 counting only the distinct ones).

The product of its digits is 1548288, while the sum is 48.

The square root of 438826764 is about 20948.1923802509. The cubic root of 438826764 is about 759.9138660464.

The spelling of 438826764 in words is "four hundred thirty-eight million, eight hundred twenty-six thousand, seven hundred sixty-four".