491404596 has 24 divisors (see below), whose sum is σ = 1150670304. Its totient is φ = 163221600.

The previous prime is 491404579. The next prime is 491404607. The reversal of 491404596 is 695404194.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 68955 + ... + 75746.

It is an arithmetic number, because the mean of its divisors is an integer number (47944596).

Almost surely, 2^491404596 is an apocalyptic number.

It is an amenable number.

491404596 is an abundant number, since it is smaller than the sum of its proper divisors (659265708).

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

491404596 is a wasteful number, since it uses less digits than its factorization.

491404596 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 144991 (or 144989 counting only the distinct ones).

The product of its (nonzero) digits is 155520, while the sum is 42.

The square root of 491404596 is about 22167.6475071217. The cubic root of 491404596 is about 789.1260944681.

The spelling of 491404596 in words is "four hundred ninety-one million, four hundred four thousand, five hundred ninety-six".