388180 has 24 divisors (see below), whose sum is σ = 878472. Its totient is φ = 143232.

The previous prime is 388177. The next prime is 388181. The reversal of 388180 is 81883.

It can be written as a sum of positive squares in 4 ways, for example, as 42436 + 345744 = 206^2 + 588^2 .

It is a hoax number, since the sum of its digits (28) coincides with the sum of the digits of its distinct prime factors.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (388181) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 487 + ... + 1006.

It is an arithmetic number, because the mean of its divisors is an integer number (36603).

2³⁸⁸¹⁸⁰ is an apocalyptic number.

It is an amenable number.

388180 is an abundant number, since it is smaller than the sum of its proper divisors (490292).

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

388180 is a wasteful number, since it uses less digits than its factorization.

388180 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1515 (or 1513 counting only the distinct ones).

The product of its (nonzero) digits is 1536, while the sum is 28.

The square root of 388180 is about 623.0409296346. The cubic root of 388180 is about 72.9476073680.

The spelling of 388180 in words is "three hundred eighty-eight thousand, one hundred eighty".