388616 has 16 divisors (see below), whose sum is σ = 752640. Its totient is φ = 187920.

The previous prime is 388573. The next prime is 388621. The reversal of 388616 is 616883.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 536 + ... + 1031.

It is an arithmetic number, because the mean of its divisors is an integer number (47040).

2³⁸⁸⁶¹⁶ is an apocalyptic number.

It is an amenable number.

388616 is a deficient number, since it is larger than the sum of its proper divisors (364024).

388616 is a wasteful number, since it uses less digits than its factorization.

388616 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1604 (or 1600 counting only the distinct ones).

The product of its digits is 6912, while the sum is 32.

The square root of 388616 is about 623.3907281954. The cubic root of 388616 is about 72.9749084967.

The spelling of 388616 in words is "three hundred eighty-eight thousand, six hundred sixteen".