389238507282 has 32 divisors (see below), whose sum is σ = 782620173504. Its totient is φ = 129056356800.

The previous prime is 389238507271. The next prime is 389238507337. The reversal of 389238507282 is 282705832983.

It is a super-2 number, since 2×389238507282² (a number of 24 digits) contains 22 as substring.

It is a Smith number, since the sum of its digits (57) coincides with the sum of the digits of its prime factors. Since it is squarefree, it is also a hoax 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, 2115808 + ... + 2292404.

It is an arithmetic number, because the mean of its divisors is an integer number (24456880422).

Almost surely, 2^389238507282 is an apocalyptic number.

389238507282 is an abundant number, since it is smaller than the sum of its proper divisors (393381666222).

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

389238507282 is a wasteful number, since it uses less digits than its factorization.

389238507282 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 178554.

The product of its (nonzero) digits is 11612160, while the sum is 57.

The spelling of 389238507282 in words is "three hundred eighty-nine billion, two hundred thirty-eight million, five hundred seven thousand, two hundred eighty-two".