491960612 has 24 divisors (see below), whose sum is σ = 1011444672. Its totient is φ = 206416800.

The previous prime is 491960563. The next prime is 491960647. The reversal of 491960612 is 216069194.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 429464 + ... + 430607.

It is an arithmetic number, because the mean of its divisors is an integer number (42143528).

Almost surely, 2^491960612 is an apocalyptic number.

It is an amenable number.

491960612 is an abundant number, since it is smaller than the sum of its proper divisors (519484060).

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

491960612 is a wasteful number, since it uses less digits than its factorization.

491960612 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 860099 (or 860097 counting only the distinct ones).

The product of its (nonzero) digits is 23328, while the sum is 38.

The square root of 491960612 is about 22180.1851209588. The cubic root of 491960612 is about 789.4236099006.

The spelling of 491960612 in words is "four hundred ninety-one million, nine hundred sixty thousand, six hundred twelve".