491079486 has 32 divisors (see below), whose sum is σ = 1034841600. Its totient is φ = 155051424.

The previous prime is 491079469. The next prime is 491079497. The reversal of 491079486 is 684970194.

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, 3061 + ... + 31488.

It is an arithmetic number, because the mean of its divisors is an integer number (32338800).

Almost surely, 2^491079486 is an apocalyptic number.

491079486 is a gapful number since it is divisible by the number (46) formed by its first and last digit.

491079486 is an abundant number, since it is smaller than the sum of its proper divisors (543762114).

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

491079486 is a wasteful number, since it uses less digits than its factorization.

491079486 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 34680.

The product of its (nonzero) digits is 435456, while the sum is 48.

The square root of 491079486 is about 22160.3133100595. The cubic root of 491079486 is about 788.9520292237.

The spelling of 491079486 in words is "four hundred ninety-one million, seventy-nine thousand, four hundred eighty-six".