380911312 has 20 divisors (see below), whose sum is σ = 753719616. Its totient is φ = 186403040.

The previous prime is 380911309. The next prime is 380911313. The reversal of 380911312 is 213119083.

It is a super-2 number, since 2×380911312² = 290186855219122688, which contains 22 as substring.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (380911313) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 252514 + ... + 254017.

Almost surely, 2^380911312 is an apocalyptic number.

It is an amenable number.

380911312 is a deficient number, since it is larger than the sum of its proper divisors (372808304).

380911312 is a wasteful number, since it uses less digits than its factorization.

380911312 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 506586 (or 506580 counting only the distinct ones).

The product of its (nonzero) digits is 1296, while the sum is 28.

The square root of 380911312 is about 19516.9493517814. The cubic root of 380911312 is about 724.8941974816.

The spelling of 380911312 in words is "three hundred eighty million, nine hundred eleven thousand, three hundred twelve".