388612 has 12 divisors (see below), whose sum is σ = 777280. Its totient is φ = 166536.

The previous prime is 388573. The next prime is 388621. The reversal of 388612 is 216883.

388612 is an admirable number.

It is a Harshad number since it is a multiple of its sum of digits (28), and also a Moran number because the ratio is a prime number: 13879 = 388612 / (3 + 8 + 8 + 6 + 1 + 2).

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, 6912 + ... + 6967.

2³⁸⁸⁶¹² is an apocalyptic number.

It is an amenable number.

388612 is a primitive abundant number, since it is smaller than the sum of its proper divisors, none of which is abundant.

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

388612 is a wasteful number, since it uses less digits than its factorization.

388612 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 13890 (or 13888 counting only the distinct ones).

The product of its digits is 2304, while the sum is 28.

The square root of 388612 is about 623.3875199264. The cubic root of 388612 is about 72.9746581205.

It can be divided in two parts, 388 and 612, that added together give a cube (1000 = 10³).

The spelling of 388612 in words is "three hundred eighty-eight thousand, six hundred twelve".