491098912 has 12 divisors (see below), whose sum is σ = 966851046. Its totient is φ = 245549440.

The previous prime is 491098897. The next prime is 491098981. The reversal of 491098912 is 219890194.

It is a happy number.

It can be written as a sum of positive squares in only one way, i.e., 286151056 + 204947856 = 16916^2 + 14316^2 .

It is an unprimeable number.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 7673389 + ... + 7673452.

Almost surely, 2^491098912 is an apocalyptic number.

It is an amenable number.

491098912 is a deficient number, since it is larger than the sum of its proper divisors (475752134).

491098912 is a wasteful number, since it uses less digits than its factorization.

491098912 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 15346851 (or 15346843 counting only the distinct ones).

The product of its (nonzero) digits is 46656, while the sum is 43.

The square root of 491098912 is about 22160.7516118023. The cubic root of 491098912 is about 788.9624321425.

The spelling of 491098912 in words is "four hundred ninety-one million, ninety-eight thousand, nine hundred twelve".