868898436 has 48 divisors (see below), whose sum is σ = 2318883840. Its totient is φ = 248061600.

The previous prime is 868898431. The next prime is 868898449. The reversal of 868898436 is 634898868.

It is a self number, because there is not a number n which added to its sum of digits gives 868898436.

It is not an unprimeable number, because it can be changed into a prime (868898431) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 129361 + ... + 135911.

It is an arithmetic number, because the mean of its divisors is an integer number (48310080).

Almost surely, 2^868898436 is an apocalyptic number.

It is an amenable number.

868898436 is an abundant number, since it is smaller than the sum of its proper divisors (1449985404).

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

868898436 is a wasteful number, since it uses less digits than its factorization.

868898436 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 8144 (or 8142 counting only the distinct ones).

The product of its digits is 15925248, while the sum is 60.

The square root of 868898436 is about 29477.0832342686. The cubic root of 868898436 is about 954.2371899015.

The spelling of 868898436 in words is "eight hundred sixty-eight million, eight hundred ninety-eight thousand, four hundred thirty-six".