491338798 has 8 divisors (see below), whose sum is σ = 737105040. Its totient is φ = 245637120.

The previous prime is 491338789. The next prime is 491338819. The reversal of 491338798 is 897833194.

It is a sphenic number, since it is the product of 3 distinct primes.

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, 14583 + ... + 34573.

It is an arithmetic number, because the mean of its divisors is an integer number (92138130).

Almost surely, 2^491338798 is an apocalyptic number.

491338798 is a deficient number, since it is larger than the sum of its proper divisors (245766242).

491338798 is a wasteful number, since it uses less digits than its factorization.

491338798 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 32282.

The product of its digits is 1306368, while the sum is 52.

The square root of 491338798 is about 22166.1633576945. The cubic root of 491338798 is about 789.0908721436.

The spelling of 491338798 in words is "four hundred ninety-one million, three hundred thirty-eight thousand, seven hundred ninety-eight".