491264116 has 24 divisors (see below), whose sum is σ = 1003435776. Its totient is φ = 206061600.

The previous prime is 491264083. The next prime is 491264117. The reversal of 491264116 is 611462194.

It is a happy number.

It is a super-2 number, since 2×491264116² = 482680863338522912, which contains 22 as substring.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (491264117) 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, 185335 + ... + 187966.

It is an arithmetic number, because the mean of its divisors is an integer number (41809824).

Almost surely, 2^491264116 is an apocalyptic number.

It is an amenable number.

491264116 is an abundant number, since it is smaller than the sum of its proper divisors (512171660).

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

491264116 is a wasteful number, since it uses less digits than its factorization.

491264116 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 373359 (or 373357 counting only the distinct ones).

The product of its digits is 10368, while the sum is 34.

The square root of 491264116 is about 22164.4786990355. The cubic root of 491264116 is about 789.0508903152.

The spelling of 491264116 in words is "four hundred ninety-one million, two hundred sixty-four thousand, one hundred sixteen".