491367792 has 20 divisors (see below), whose sum is σ = 1269366920. Its totient is φ = 163789248.

The previous prime is 491367781. The next prime is 491367803. The reversal of 491367792 is 297763194.

It is a happy number.

It is an interprime number because it is at equal distance from previous prime (491367781) and next prime (491367803).

It is a Harshad number since it is a multiple of its sum of digits (48), and also a Moran number because the ratio is a prime number: 10236829 = 491367792 / (4 + 9 + 1 + 3 + 6 + 7 + 7 + 9 + 2).

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 5118367 + ... + 5118462.

It is an arithmetic number, because the mean of its divisors is an integer number (63468346).

Almost surely, 2^491367792 is an apocalyptic number.

It is an amenable number.

491367792 is an abundant number, since it is smaller than the sum of its proper divisors (777999128).

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

491367792 is a wasteful number, since it uses less digits than its factorization.

491367792 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 10236840 (or 10236834 counting only the distinct ones).

The product of its digits is 571536, while the sum is 48.

The square root of 491367792 is about 22166.8173628963. The cubic root of 491367792 is about 789.1063933080.

The spelling of 491367792 in words is "four hundred ninety-one million, three hundred sixty-seven thousand, seven hundred ninety-two".