491489362 has 32 divisors (see below), whose sum is σ = 910828800. Its totient is φ = 193693248.

The previous prime is 491489357. The next prime is 491489437. The reversal of 491489362 is 263984194.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 43939 + ... + 53977.

It is an arithmetic number, because the mean of its divisors is an integer number (28463400).

Almost surely, 2^491489362 is an apocalyptic number.

491489362 is a deficient number, since it is larger than the sum of its proper divisors (419339438).

491489362 is a wasteful number, since it uses less digits than its factorization.

491489362 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 10330.

The product of its digits is 373248, while the sum is 46.

The square root of 491489362 is about 22169.5593551157. The cubic root of 491489362 is about 789.1714659178.

The spelling of 491489362 in words is "four hundred ninety-one million, four hundred eighty-nine thousand, three hundred sixty-two".