387992675 has 12 divisors (see below), whose sum is σ = 549841296. Its totient is φ = 266052000.

The previous prime is 387992659. The next prime is 387992677. The reversal of 387992675 is 576299783.

It is not a de Polignac number, because 387992675 - 2⁴ = 387992659 is a prime.

It is a Duffinian number.

It is a self number, because there is not a number n which added to its sum of digits gives 387992675.

It is not an unprimeable number, because it can be changed into a prime (387992677) by changing a digit.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 1108376 + ... + 1108725.

It is an arithmetic number, because the mean of its divisors is an integer number (45820108).

Almost surely, 2^387992675 is an apocalyptic number.

387992675 is a gapful number since it is divisible by the number (35) formed by its first and last digit.

387992675 is a deficient number, since it is larger than the sum of its proper divisors (161848621).

387992675 is a wasteful number, since it uses less digits than its factorization.

387992675 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2217118 (or 2217113 counting only the distinct ones).

The product of its digits is 5715360, while the sum is 56.

The square root of 387992675 is about 19697.5296674481. The cubic root of 387992675 is about 729.3587130973.

The spelling of 387992675 in words is "three hundred eighty-seven million, nine hundred ninety-two thousand, six hundred seventy-five".