387970156 has 12 divisors (see below), whose sum is σ = 775940368. Its totient is φ = 166272912.

The previous prime is 387970147. The next prime is 387970159. The reversal of 387970156 is 651079783.

387970156 is an admirable number.

It is a hoax number, since the sum of its digits (46) coincides with the sum of the digits of its distinct prime factors.

It is not an unprimeable number, because it can be changed into a prime (387970159) 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, 6928011 + ... + 6928066.

Almost surely, 2^387970156 is an apocalyptic number.

It is an amenable number.

387970156 is a primitive abundant number, since it is smaller than the sum of its proper divisors, none of which is abundant.

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

387970156 is a wasteful number, since it uses less digits than its factorization.

387970156 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 13856088 (or 13856086 counting only the distinct ones).

The product of its (nonzero) digits is 317520, while the sum is 46.

The square root of 387970156 is about 19696.9580392506. The cubic root of 387970156 is about 729.3446022238.

The spelling of 387970156 in words is "three hundred eighty-seven million, nine hundred seventy thousand, one hundred fifty-six".