491242896 has 45 divisors (see below), whose sum is σ = 1375542571. Its totient is φ = 163658976.

The previous prime is 491242883. The next prime is 491242933. The reversal of 491242896 is 698242194.

The square root of 491242896 is 22164.

It is a perfect power (a square), and thus also a powerful number.

It is a nude number because it is divisible by every one of its digits.

It is a Duffinian number.

It is an unprimeable number.

It is a polite number, since it can be written in 8 ways as a sum of consecutive naturals, for example, 265045 + ... + 266891.

Almost surely, 2^491242896 is an apocalyptic number.

491242896 is the 22164-th square number.

It is an amenable number.

491242896 is an abundant number, since it is smaller than the sum of its proper divisors (884299675).

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

491242896 is an equidigital number, since it uses as much as digits as its factorization.

491242896 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 3708 (or 1852 counting only the distinct ones).

The product of its digits is 248832, while the sum is 45.

The cubic root of 491242896 is about 789.0395292161.

The spelling of 491242896 in words is "four hundred ninety-one million, two hundred forty-two thousand, eight hundred ninety-six".