868490916 has 48 divisors (see below), whose sum is σ = 2126197248. Its totient is φ = 275558400.

The previous prime is 868490911. The next prime is 868490941. The reversal of 868490916 is 619094868.

It is a happy number.

It is not an unprimeable number, because it can be changed into a prime (868490911) 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, 3556 + ... + 41828.

It is an arithmetic number, because the mean of its divisors is an integer number (44295776).

Almost surely, 2^868490916 is an apocalyptic number.

It is an amenable number.

868490916 is an abundant number, since it is smaller than the sum of its proper divisors (1257706332).

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

868490916 is a wasteful number, since it uses less digits than its factorization.

868490916 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 38372 (or 38370 counting only the distinct ones).

The product of its (nonzero) digits is 746496, while the sum is 51.

The square root of 868490916 is about 29470.1699350377. The cubic root of 868490916 is about 954.0879850640.

The spelling of 868490916 in words is "eight hundred sixty-eight million, four hundred ninety thousand, nine hundred sixteen".