388084930 has 8 divisors (see below), whose sum is σ = 698552892. Its totient is φ = 155233968.

The previous prime is 388084913. The next prime is 388084981. The reversal of 388084930 is 39480883.

It can be written as a sum of positive squares in 2 ways, for example, as 387184329 + 900601 = 19677^2 + 949^2 .

It is a sphenic number, since it is the product of 3 distinct primes.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 19404237 + ... + 19404256.

Almost surely, 2^388084930 is an apocalyptic number.

388084930 is a deficient number, since it is larger than the sum of its proper divisors (310467962).

388084930 is a wasteful number, since it uses less digits than its factorization.

388084930 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 38808500.

The product of its (nonzero) digits is 165888, while the sum is 43.

The square root of 388084930 is about 19699.8713193767. The cubic root of 388084930 is about 729.4165162983.

The spelling of 388084930 in words is "three hundred eighty-eight million, eighty-four thousand, nine hundred thirty".