491869308 has 24 divisors (see below), whose sum is σ = 1311651712. Its totient is φ = 140534064.

The previous prime is 491869297. The next prime is 491869331. The reversal of 491869308 is 803968194.

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, 2927710 + ... + 2927877.

Almost surely, 2^491869308 is an apocalyptic number.

It is an amenable number.

491869308 is an abundant number, since it is smaller than the sum of its proper divisors (819782404).

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

491869308 is a wasteful number, since it uses less digits than its factorization.

491869308 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 5855601 (or 5855599 counting only the distinct ones).

The product of its (nonzero) digits is 373248, while the sum is 48.

The square root of 491869308 is about 22178.1267919543. The cubic root of 491869308 is about 789.3747699522.

The spelling of 491869308 in words is "four hundred ninety-one million, eight hundred sixty-nine thousand, three hundred eight".