491360982 has 32 divisors (see below), whose sum is σ = 1139880192. Its totient is φ = 138292704.

The previous prime is 491360963. The next prime is 491361053. The reversal of 491360982 is 289063194.

It is a super-2 number, since 2×491360982² = 482871229264008648, which contains 22 as substring.

It is a Harshad number since it is a multiple of its sum of digits (42).

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 84493 + ... + 90120.

It is an arithmetic number, because the mean of its divisors is an integer number (35621256).

Almost surely, 2^491360982 is an apocalyptic number.

491360982 is a gapful number since it is divisible by the number (42) formed by its first and last digit.

491360982 is an abundant number, since it is smaller than the sum of its proper divisors (648519210).

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

491360982 is a wasteful number, since it uses less digits than its factorization.

491360982 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 174692.

The product of its (nonzero) digits is 93312, while the sum is 42.

The square root of 491360982 is about 22166.6637543858. The cubic root of 491360982 is about 789.1027478110.

The spelling of 491360982 in words is "four hundred ninety-one million, three hundred sixty thousand, nine hundred eighty-two".