868890242 has 16 divisors (see below), whose sum is σ = 1422512064. Its totient is φ = 394758000.

The previous prime is 868890241. The next prime is 868890263. The reversal of 868890242 is 242098868.

It is not an unprimeable number, because it can be changed into a prime (868890241) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 43067 + ... + 59937.

It is an arithmetic number, because the mean of its divisors is an integer number (88907004).

Almost surely, 2^868890242 is an apocalyptic number.

868890242 is a deficient number, since it is larger than the sum of its proper divisors (553621822).

868890242 is a wasteful number, since it uses less digits than its factorization.

868890242 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 19225.

The product of its (nonzero) digits is 442368, while the sum is 47.

The square root of 868890242 is about 29476.9442446126. The cubic root of 868890242 is about 954.2341903012.

The spelling of 868890242 in words is "eight hundred sixty-eight million, eight hundred ninety thousand, two hundred forty-two".