388068180 has 48 divisors (see below), whose sum is σ = 1150511040. Its totient is φ = 97397248.

The previous prime is 388068139. The next prime is 388068181. The reversal of 388068180 is 81860883.

It is a happy number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (388068181) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 189210 + ... + 191249.

It is an arithmetic number, because the mean of its divisors is an integer number (23968980).

Almost surely, 2^388068180 is an apocalyptic number.

388068180 is a gapful number since it is divisible by the number (30) formed by its first and last digit.

It is an amenable number.

388068180 is an abundant number, since it is smaller than the sum of its proper divisors (762442860).

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

388068180 is a wasteful number, since it uses less digits than its factorization.

388068180 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 380488 (or 380486 counting only the distinct ones).

The product of its (nonzero) digits is 73728, while the sum is 42.

The square root of 388068180 is about 19699.4461851089. The cubic root of 388068180 is about 729.4060221156.

The spelling of 388068180 in words is "three hundred eighty-eight million, sixty-eight thousand, one hundred eighty".