491200408 has 16 divisors (see below), whose sum is σ = 929944080. Its totient is φ = 243215328.

The previous prime is 491200393. The next prime is 491200417. The reversal of 491200408 is 804002194.

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, 297235 + ... + 298882.

It is an arithmetic number, because the mean of its divisors is an integer number (58121505).

Almost surely, 2^491200408 is an apocalyptic number.

It is an amenable number.

491200408 is a deficient number, since it is larger than the sum of its proper divisors (438743672).

491200408 is a wasteful number, since it uses less digits than its factorization.

491200408 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 596226 (or 596222 counting only the distinct ones).

The product of its (nonzero) digits is 2304, while the sum is 28.

The square root of 491200408 is about 22163.0414880269. The cubic root of 491200408 is about 789.0167803354.

The spelling of 491200408 in words is "four hundred ninety-one million, two hundred thousand, four hundred eight".