764916 has 12 divisors (see below), whose sum is σ = 1784832. Its totient is φ = 254968.

The previous prime is 764903. The next prime is 764947. The reversal of 764916 is 619467.

It is a happy number.

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

It is an Ulam number.

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 31860 + ... + 31883.

It is an arithmetic number, because the mean of its divisors is an integer number (148736).

2⁷⁶⁴⁹¹⁶ is an apocalyptic number.

It is an amenable number.

764916 is an abundant number, since it is smaller than the sum of its proper divisors (1019916).

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

764916 is a wasteful number, since it uses less digits than its factorization.

764916 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 63750 (or 63748 counting only the distinct ones).

The product of its digits is 9072, while the sum is 33.

The square root of 764916 is about 874.5947633047. The cubic root of 764916 is about 91.4543951422.

The spelling of 764916 in words is "seven hundred sixty-four thousand, nine hundred sixteen".