867939242 has 16 divisors (see below), whose sum is σ = 1312641600. Its totient is φ = 430401600.

The previous prime is 867939179. The next prime is 867939253. The reversal of 867939242 is 242939768.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 221234 + ... + 225122.

It is an arithmetic number, because the mean of its divisors is an integer number (82040100).

Almost surely, 2^867939242 is an apocalyptic number.

867939242 is a deficient number, since it is larger than the sum of its proper divisors (444702358).

867939242 is a wasteful number, since it uses less digits than its factorization.

867939242 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 4781.

The product of its digits is 1306368, while the sum is 50.

The square root of 867939242 is about 29460.8085768195. The cubic root of 867939242 is about 953.8859269072.

The spelling of 867939242 in words is "eight hundred sixty-seven million, nine hundred thirty-nine thousand, two hundred forty-two".