491358284 has 12 divisors (see below), whose sum is σ = 865153464. Its totient is φ = 244171584.

The previous prime is 491358251. The next prime is 491358311. The reversal of 491358284 is 482853194.

It is a happy 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, 376157 + ... + 377460.

It is an arithmetic number, because the mean of its divisors is an integer number (72096122).

Almost surely, 2^491358284 is an apocalyptic number.

It is an amenable number.

491358284 is a deficient number, since it is larger than the sum of its proper divisors (373795180).

491358284 is a wasteful number, since it uses less digits than its factorization.

491358284 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 753784 (or 753782 counting only the distinct ones).

The product of its digits is 276480, while the sum is 44.

The square root of 491358284 is about 22166.6028971514. The cubic root of 491358284 is about 789.1013035211.

The spelling of 491358284 in words is "four hundred ninety-one million, three hundred fifty-eight thousand, two hundred eighty-four".