388916 has 12 divisors (see below), whose sum is σ = 742560. Its totient is φ = 176760.

The previous prime is 388903. The next prime is 388931. The reversal of 388916 is 619883.

It is a congruent number.

It is an inconsummate number, since it does not exist a number n which divided by its sum of digits gives 388916.

It is an unprimeable number.

388916 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, 4376 + ... + 4463.

It is an arithmetic number, because the mean of its divisors is an integer number (61880).

2³⁸⁸⁹¹⁶ is an apocalyptic number.

It is an amenable number.

388916 is a deficient number, since it is larger than the sum of its proper divisors (353644).

388916 is a wasteful number, since it uses less digits than its factorization.

388916 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 8854 (or 8852 counting only the distinct ones).

The product of its digits is 10368, while the sum is 35.

The square root of 388916 is about 623.6313013312. The cubic root of 388916 is about 72.9936818201.

The spelling of 388916 in words is "three hundred eighty-eight thousand, nine hundred sixteen".