388894998 has 16 divisors (see below), whose sum is σ = 779475456. Its totient is φ = 129350760.

The previous prime is 388894939. The next prime is 388895041. The reversal of 388894998 is 899498883.

It is a congruent number.

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 7 ways as a sum of consecutive naturals, for example, 67218 + ... + 72773.

It is an arithmetic number, because the mean of its divisors is an integer number (48717216).

Almost surely, 2^388894998 is an apocalyptic number.

388894998 is an abundant number, since it is smaller than the sum of its proper divisors (390580458).

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

388894998 is a wasteful number, since it uses less digits than its factorization.

388894998 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 140459.

The product of its digits is 35831808, while the sum is 66.

The square root of 388894998 is about 19720.4208372945. The cubic root of 388894998 is about 729.9236787664.

The spelling of 388894998 in words is "three hundred eighty-eight million, eight hundred ninety-four thousand, nine hundred ninety-eight".