388755 has 24 divisors (see below), whose sum is σ = 690768. Its totient is φ = 202176.

The previous prime is 388727. The next prime is 388757. The reversal of 388755 is 557883.

It is a happy number.

It is not a de Polignac number, because 388755 - 2⁶ = 388691 is a prime.

It is a super-2 number, since 2×388755² = 302260900050, which contains 22 as substring.

Its product of digits (33600) is a multiple of the sum of its prime divisors (224).

It is not an unprimeable number, because it can be changed into a prime (388757) by changing a digit.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 2304 + ... + 2466.

It is an arithmetic number, because the mean of its divisors is an integer number (28782).

2³⁸⁸⁷⁵⁵ is an apocalyptic number.

388755 is a deficient number, since it is larger than the sum of its proper divisors (302013).

388755 is a wasteful number, since it uses less digits than its factorization.

388755 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 227 (or 224 counting only the distinct ones).

The product of its digits is 33600, while the sum is 36.

The square root of 388755 is about 623.5022052888. The cubic root of 388755 is about 72.9836080040.

The spelling of 388755 in words is "three hundred eighty-eight thousand, seven hundred fifty-five".