764316 has 60 divisors (see below), whose sum is σ = 2290288. Its totient is φ = 217728.

The previous prime is 764293. The next prime is 764317. The reversal of 764316 is 613467.

764316 is a `hidden beast` number, since 7 + 643 + 16 = 666.

It is a Harshad number since it is a multiple of its sum of digits (27).

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

It is a nialpdrome in base 7.

It is a self number, because there is not a number n which added to its sum of digits gives 764316.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (764317) by changing a digit.

764316 is an untouchable number, because it is not equal to the sum of proper divisors of any number.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 19 ways as a sum of consecutive naturals, for example, 2100 + ... + 2436.

2⁷⁶⁴³¹⁶ 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 764316, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (1145144).

764316 is an abundant number, since it is smaller than the sum of its proper divisors (1525972).

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

764316 is a wasteful number, since it uses less digits than its factorization.

764316 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 360 (or 349 counting only the distinct ones).

The product of its digits is 3024, while the sum is 27.

The square root of 764316 is about 874.2516800098. The cubic root of 764316 is about 91.4304766158.

The spelling of 764316 in words is "seven hundred sixty-four thousand, three hundred sixteen".