388379705 has 16 divisors (see below), whose sum is σ = 563967360. Its totient is φ = 250651392.

The previous prime is 388379689. The next prime is 388379723. The reversal of 388379705 is 507973883.

It is a cyclic number.

It is not a de Polignac number, because 388379705 - 2⁴ = 388379689 is a prime.

It is a Curzon number.

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 325775 + ... + 326964.

It is an arithmetic number, because the mean of its divisors is an integer number (35247960).

Almost surely, 2^388379705 is an apocalyptic number.

388379705 is a gapful number since it is divisible by the number (35) formed by its first and last digit.

It is an amenable number.

388379705 is a deficient number, since it is larger than the sum of its proper divisors (175587655).

388379705 is a wasteful number, since it uses less digits than its factorization.

388379705 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 652768.

The product of its (nonzero) digits is 1270080, while the sum is 50.

The square root of 388379705 is about 19707.3515470750. The cubic root of 388379705 is about 729.6011488543.

The spelling of 388379705 in words is "three hundred eighty-eight million, three hundred seventy-nine thousand, seven hundred five".