387750528 has 192 divisors, whose sum is σ = 1251637920. Its totient is φ = 114186240.

The previous prime is 387750527. The next prime is 387750533. The reversal of 387750528 is 825057783.

387750528 is a `hidden beast` number, since 3 + 8 + 77 + 50 + 528 = 666.

It is a tau number, because it is divible by the number of its divisors (192).

It is not an unprimeable number, because it can be changed into a prime (387750521) by changing a digit.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 468451 + ... + 469277.

Almost surely, 2^387750528 is an apocalyptic number.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 387750528, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (625818960).

387750528 is an abundant number, since it is smaller than the sum of its proper divisors (863887392).

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

387750528 is a wasteful number, since it uses less digits than its factorization.

387750528 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 895 (or 880 counting only the distinct ones).

The product of its (nonzero) digits is 470400, while the sum is 45.

The square root of 387750528 is about 19691.3820744000. The cubic root of 387750528 is about 729.2069501133.

The spelling of 387750528 in words is "three hundred eighty-seven million, seven hundred fifty thousand, five hundred twenty-eight".