764394 has 8 divisors (see below), whose sum is σ = 1528800. Its totient is φ = 254796.

The previous prime is 764381. The next prime is 764399. The reversal of 764394 is 493467.

It is a sphenic number, since it is the product of 3 distinct primes.

764394 is an admirable number.

It is a Curzon number.

It is not an unprimeable number, because it can be changed into a prime (764399) by changing a digit.

764394 is an untouchable number, because it is not equal to the sum of proper divisors of any number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 63694 + ... + 63705.

It is an arithmetic number, because the mean of its divisors is an integer number (191100).

2⁷⁶⁴³⁹⁴ is an apocalyptic number.

764394 is a primitive abundant number, since it is smaller than the sum of its proper divisors, none of which is abundant.

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

764394 is a wasteful number, since it uses less digits than its factorization.

764394 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 127404.

The product of its digits is 18144, while the sum is 33.

The square root of 764394 is about 874.2962884515. The cubic root of 764394 is about 91.4335867319.

The spelling of 764394 in words is "seven hundred sixty-four thousand, three hundred ninety-four".