388552 has 16 divisors (see below), whose sum is σ = 771660. Its totient is φ = 182784.

The previous prime is 388541. The next prime is 388567. The reversal of 388552 is 255883.

It can be written as a sum of positive squares in 2 ways, for example, as 367236 + 21316 = 606^2 + 146^2 .

It is an unprimeable number.

388552 is an untouchable number, because it is not equal to the sum of proper divisors of any number.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 1293 + ... + 1564.

2³⁸⁸⁵⁵² is an apocalyptic number.

It is an amenable number.

388552 is a deficient number, since it is larger than the sum of its proper divisors (383108).

388552 is a wasteful number, since it uses less digits than its factorization.

388552 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2880 (or 2876 counting only the distinct ones).

The product of its digits is 9600, while the sum is 31.

The square root of 388552 is about 623.3393939099. The cubic root of 388552 is about 72.9709022707.

Subtracting from 388552 its sum of digits (31), we obtain a triangular number (388521 = T₈₈₁).

The spelling of 388552 in words is "three hundred eighty-eight thousand, five hundred fifty-two".