491426304 has 80 divisors (see below), whose sum is σ = 1344729408. Its totient is φ = 159363072.

The previous prime is 491426297. The next prime is 491426311. The reversal of 491426304 is 403624194.

It is an interprime number because it is at equal distance from previous prime (491426297) and next prime (491426311).

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, 52509 + ... + 61155.

Almost surely, 2^491426304 is an apocalyptic number.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 491426304, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (672364704).

491426304 is an abundant number, since it is smaller than the sum of its proper divisors (853303104).

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

491426304 is an equidigital number, since it uses as much as digits as its factorization.

491426304 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 8705 (or 8689 counting only the distinct ones).

The product of its (nonzero) digits is 20736, while the sum is 33.

The square root of 491426304 is about 22168.1371341843. The cubic root of 491426304 is about 789.1377142869.

It can be divided in two parts, 49 and 1426304, that multiplied together give a palindrome (69888896).

The spelling of 491426304 in words is "four hundred ninety-one million, four hundred twenty-six thousand, three hundred four".