491294592 has 64 divisors (see below), whose sum is σ = 1450011600. Its totient is φ = 163763712.

The previous prime is 491294591. The next prime is 491294623. The reversal of 491294592 is 295492194.

491294592 is a `hidden beast` number, since 49 + 12 + 9 + 4 + 592 = 666.

It is a tau number, because it is divible by the number of its divisors (64).

It is a super-2 number, since 2×491294592² = 482740752256892928, which contains 22 as substring.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (491294591) 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, 67623 + ... + 74534.

Almost surely, 2^491294592 is an apocalyptic number.

It is an amenable number.

491294592 is an abundant number, since it is smaller than the sum of its proper divisors (958717008).

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

491294592 is a wasteful number, since it uses less digits than its factorization.

491294592 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 142180 (or 142162 counting only the distinct ones).

The product of its digits is 233280, while the sum is 45.

The square root of 491294592 is about 22165.1661848045. The cubic root of 491294592 is about 789.0672064657.

The spelling of 491294592 in words is "four hundred ninety-one million, two hundred ninety-four thousand, five hundred ninety-two".