380836812 has 12 divisors (see below), whose sum is σ = 888619256. Its totient is φ = 126945600.

The previous prime is 380836789. The next prime is 380836843. The reversal of 380836812 is 218638083.

It is a tau number, because it is divible by the number of its divisors (12).

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 15868189 + ... + 15868212.

Almost surely, 2^380836812 is an apocalyptic number.

It is an amenable number.

380836812 is an abundant number, since it is smaller than the sum of its proper divisors (507782444).

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

380836812 is a wasteful number, since it uses less digits than its factorization.

380836812 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 31736408 (or 31736406 counting only the distinct ones).

The product of its (nonzero) digits is 55296, while the sum is 39.

The square root of 380836812 is about 19515.0406609876. The cubic root of 380836812 is about 724.8469352649.

The spelling of 380836812 in words is "three hundred eighty million, eight hundred thirty-six thousand, eight hundred twelve".