387857338 has 16 divisors (see below), whose sum is σ = 636486336. Its totient is φ = 175795840.

The previous prime is 387857321. The next prime is 387857341. The reversal of 387857338 is 833758783.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 17206 + ... + 32737.

It is an arithmetic number, because the mean of its divisors is an integer number (39780396).

Almost surely, 2^387857338 is an apocalyptic number.

387857338 is a deficient number, since it is larger than the sum of its proper divisors (248628998).

387857338 is a wasteful number, since it uses less digits than its factorization.

387857338 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 50309.

The product of its digits is 3386880, while the sum is 52.

The square root of 387857338 is about 19694.0939877924. The cubic root of 387857338 is about 729.2738998987.

It can be divided in two parts, 3878 and 57338, that added together give a palindrome (61216).

The spelling of 387857338 in words is "three hundred eighty-seven million, eight hundred fifty-seven thousand, three hundred thirty-eight".