388958380 has 12 divisors (see below), whose sum is σ = 816812640. Its totient is φ = 155583344.

The previous prime is 388958369. The next prime is 388958407. The reversal of 388958380 is 83859883.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 9723940 + ... + 9723979.

It is an arithmetic number, because the mean of its divisors is an integer number (68067720).

Almost surely, 2^388958380 is an apocalyptic number.

It is an amenable number.

388958380 is an abundant number, since it is smaller than the sum of its proper divisors (427854260).

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

388958380 is a wasteful number, since it uses less digits than its factorization.

388958380 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 19447928 (or 19447926 counting only the distinct ones).

The product of its (nonzero) digits is 1658880, while the sum is 52.

The square root of 388958380 is about 19722.0277862090. The cubic root of 388958380 is about 729.9633308659.

The spelling of 388958380 in words is "three hundred eighty-eight million, nine hundred fifty-eight thousand, three hundred eighty".