380391512 has 16 divisors (see below), whose sum is σ = 718680600. Its totient is φ = 188743360.

The previous prime is 380391511. The next prime is 380391523. The reversal of 380391512 is 215193083.

It is a super-3 number, since 3×380391512³ (a number of 27 digits) contains 333 as substring. Note that it is a super-d number also for d = 2.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (380391511) 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, 180437 + ... + 182532.

Almost surely, 2^380391512 is an apocalyptic number.

It is an amenable number.

380391512 is a deficient number, since it is larger than the sum of its proper divisors (338289088).

380391512 is a wasteful number, since it uses less digits than its factorization.

380391512 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 363106 (or 363102 counting only the distinct ones).

The product of its (nonzero) digits is 6480, while the sum is 32.

The square root of 380391512 is about 19503.6281752909. The cubic root of 380391512 is about 724.5643118288.

The spelling of 380391512 in words is "three hundred eighty million, three hundred ninety-one thousand, five hundred twelve".