387387056 has 40 divisors (see below), whose sum is σ = 869554464. Its totient is φ = 163745280.

The previous prime is 387387053. The next prime is 387387071. The reversal of 387387056 is 650783783.

It is a self number, because there is not a number n which added to its sum of digits gives 387387056.

It is not an unprimeable number, because it can be changed into a prime (387387053) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 15515 + ... + 31866.

Almost surely, 2^387387056 is an apocalyptic number.

It is an amenable number.

387387056 is an abundant number, since it is smaller than the sum of its proper divisors (482167408).

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

387387056 is a wasteful number, since it uses less digits than its factorization.

387387056 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 47469 (or 47463 counting only the distinct ones).

The product of its (nonzero) digits is 846720, while the sum is 47.

The square root of 387387056 is about 19682.1506954906. The cubic root of 387387056 is about 728.9790293675.

The spelling of 387387056 in words is "three hundred eighty-seven million, three hundred eighty-seven thousand, fifty-six".