764248388 has 48 divisors (see below), whose sum is σ = 1396362240. Its totient is φ = 365750784.

The previous prime is 764248369. The next prime is 764248399. The reversal of 764248388 is 883842467.

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 3197573 + ... + 3197811.

It is an arithmetic number, because the mean of its divisors is an integer number (29090880).

Almost surely, 2^764248388 is an apocalyptic number.

It is an amenable number.

764248388 is a deficient number, since it is larger than the sum of its proper divisors (632113852).

764248388 is a wasteful number, since it uses less digits than its factorization.

764248388 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 596 (or 594 counting only the distinct ones).

The product of its digits is 2064384, while the sum is 50.

The square root of 764248388 is about 27645.0427382560. The cubic root of 764248388 is about 914.2778053213.

The spelling of 764248388 in words is "seven hundred sixty-four million, two hundred forty-eight thousand, three hundred eighty-eight".