387880 has 16 divisors (see below), whose sum is σ = 872820. Its totient is φ = 155136.

The previous prime is 387857. The next prime is 387911. The reversal of 387880 is 88783.

387880 is digitally balanced in base 3, because in such base it contains all the possibile digits an equal number of times.

It can be written as a sum of positive squares in 2 ways, for example, as 357604 + 30276 = 598^2 + 174^2 .

It is an unprimeable number.

387880 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 3 ways as a sum of consecutive naturals, for example, 4809 + ... + 4888.

2³⁸⁷⁸⁸⁰ is an apocalyptic number.

It is an amenable number.

387880 is an abundant number, since it is smaller than the sum of its proper divisors (484940).

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

387880 is a wasteful number, since it uses less digits than its factorization.

387880 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 9708 (or 9704 counting only the distinct ones).

The product of its (nonzero) digits is 10752, while the sum is 34.

The square root of 387880 is about 622.8001284521. The cubic root of 387880 is about 72.9288103131.

The spelling of 387880 in words is "three hundred eighty-seven thousand, eight hundred eighty".