387351388 has 12 divisors (see below), whose sum is σ = 687982792. Its totient is φ = 190784880.

The previous prime is 387351331. The next prime is 387351413. The reversal of 387351388 is 883153783.

It is a congruent number.

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, 722403 + ... + 722938.

Almost surely, 2^387351388 is an apocalyptic number.

It is an amenable number.

387351388 is a deficient number, since it is larger than the sum of its proper divisors (300631404).

387351388 is a wasteful number, since it uses less digits than its factorization.

387351388 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1445412 (or 1445410 counting only the distinct ones).

The product of its digits is 483840, while the sum is 46.

The square root of 387351388 is about 19681.2445744673. The cubic root of 387351388 is about 728.9566555154.

The spelling of 387351388 in words is "three hundred eighty-seven million, three hundred fifty-one thousand, three hundred eighty-eight".