491738304 has 28 divisors (see below), whose sum is σ = 1301058104. Its totient is φ = 163912704.

The previous prime is 491738281. The next prime is 491738309. The reversal of 491738304 is 403837194.

It is not an unprimeable number, because it can be changed into a prime (491738309) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 1280377 + ... + 1280760.

Almost surely, 2^491738304 is an apocalyptic number.

It is an amenable number.

491738304 is an abundant number, since it is smaller than the sum of its proper divisors (809319800).

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

491738304 is a wasteful number, since it uses less digits than its factorization.

491738304 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2561152 (or 2561142 counting only the distinct ones).

The product of its (nonzero) digits is 72576, while the sum is 39.

The square root of 491738304 is about 22175.1731447581. The cubic root of 491738304 is about 789.3046832897.

The spelling of 491738304 in words is "four hundred ninety-one million, seven hundred thirty-eight thousand, three hundred four".