764964 has 36 divisors (see below), whose sum is σ = 2007824. Its totient is φ = 254664.

The previous prime is 764947. The next prime is 764969. The reversal of 764964 is 469467.

764964 is a `hidden beast` number, since 7 + 649 + 6 + 4 = 666.

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

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

It is not an unprimeable number, because it can be changed into a prime (764969) by changing a digit.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 579 + ... + 1365.

2⁷⁶⁴⁹⁶⁴ is an apocalyptic number.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 764964, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (1003912).

764964 is an abundant number, since it is smaller than the sum of its proper divisors (1242860).

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

764964 is a wasteful number, since it uses less digits than its factorization.

764964 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 806 (or 792 counting only the distinct ones).

The product of its digits is 36288, while the sum is 36.

The square root of 764964 is about 874.6222041545. The cubic root of 764964 is about 91.4563080839.

It can be divided in two parts, 764 and 964, that added together give a cube (1728 = 12³).

The spelling of 764964 in words is "seven hundred sixty-four thousand, nine hundred sixty-four".