387390528 has 84 divisors (see below), whose sum is σ = 1269024640. Its totient is φ = 110681856.

The previous prime is 387390511. The next prime is 387390529. The reversal of 387390528 is 825093783.

387390528 is a `hidden beast` number, since 38 + 7 + 3 + 90 + 528 = 666.

It is a tau number, because it is divible by the number of its divisors (84).

It is not an unprimeable number, because it can be changed into a prime (387390529) 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, 44008 + ... + 52071.

Almost surely, 2^387390528 is an apocalyptic number.

It is an amenable number.

387390528 is an abundant number, since it is smaller than the sum of its proper divisors (881634112).

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

387390528 is a wasteful number, since it uses less digits than its factorization.

387390528 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 96104 (or 96091 counting only the distinct ones).

The product of its (nonzero) digits is 362880, while the sum is 45.

The square root of 387390528 is about 19682.2388970361. The cubic root of 387390528 is about 728.9812072131.

The spelling of 387390528 in words is "three hundred eighty-seven million, three hundred ninety thousand, five hundred twenty-eight".