380872764 has 18 divisors (see below), whose sum is σ = 962761800. Its totient is φ = 126957576.

The previous prime is 380872721. The next prime is 380872769. The reversal of 380872764 is 467278083.

It is a happy number.

It is a tau number, because it is divible by the number of its divisors (18).

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (380872769) by changing a digit.

It is a polite number, since it can be written in 5 ways as a sum of consecutive naturals, for example, 5289864 + ... + 5289935.

Almost surely, 2^380872764 is an apocalyptic number.

It is an amenable number.

380872764 is an abundant number, since it is smaller than the sum of its proper divisors (581889036).

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

380872764 is a wasteful number, since it uses less digits than its factorization.

380872764 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 10579809 (or 10579804 counting only the distinct ones).

The product of its (nonzero) digits is 451584, while the sum is 45.

The square root of 380872764 is about 19515.9617749164. The cubic root of 380872764 is about 724.8697437017.

The spelling of 380872764 in words is "three hundred eighty million, eight hundred seventy-two thousand, seven hundred sixty-four".