387528 has 32 divisors (see below), whose sum is σ = 987360. Its totient is φ = 126720.

The previous prime is 387509. The next prime is 387529. The reversal of 387528 is 825783.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (387529) by changing a digit.

387528 is an untouchable number, because it is not equal to the sum of proper divisors of any number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 1488 + ... + 1728.

It is an arithmetic number, because the mean of its divisors is an integer number (30855).

2³⁸⁷⁵²⁸ is an apocalyptic number.

It is an amenable number.

387528 is an abundant number, since it is smaller than the sum of its proper divisors (599832).

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

387528 is a wasteful number, since it uses less digits than its factorization.

387528 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 317 (or 313 counting only the distinct ones).

The product of its digits is 13440, while the sum is 33.

The square root of 387528 is about 622.5174696344. The cubic root of 387528 is about 72.9067427401.

The spelling of 387528 in words is "three hundred eighty-seven thousand, five hundred twenty-eight".