388522 has 8 divisors (see below), whose sum is σ = 590400. Its totient is φ = 191724.

The previous prime is 388519. The next prime is 388529. The reversal of 388522 is 225883.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a pancake number, because a pancake can be divided into 388522 parts by 881 straight cuts.

It is not an unprimeable number, because it can be changed into a prime (388529) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 1072 + ... + 1387.

It is an arithmetic number, because the mean of its divisors is an integer number (73800).

2³⁸⁸⁵²² is an apocalyptic number.

388522 is a deficient number, since it is larger than the sum of its proper divisors (201878).

388522 is a wasteful number, since it uses less digits than its factorization.

388522 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2540.

The product of its digits is 3840, while the sum is 28.

The square root of 388522 is about 623.3153295083. The cubic root of 388522 is about 72.9690242009.

The spelling of 388522 in words is "three hundred eighty-eight thousand, five hundred twenty-two".