491948 has 12 divisors (see below), whose sum is σ = 906360. Its totient is φ = 232992.

The previous prime is 491923. The next prime is 491951. The reversal of 491948 is 849194.

It is an inconsummate number, since it does not exist a number n which divided by its sum of digits gives 491948.

It is an unprimeable number.

491948 is an untouchable number, because it is not equal to the sum of proper divisors of any number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 3161 + ... + 3312.

It is an arithmetic number, because the mean of its divisors is an integer number (75530).

2⁴⁹¹⁹⁴⁸ is an apocalyptic number.

It is an amenable number.

491948 is a deficient number, since it is larger than the sum of its proper divisors (414412).

491948 is a wasteful number, since it uses less digits than its factorization.

491948 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 6496 (or 6494 counting only the distinct ones).

The product of its digits is 10368, while the sum is 35.

The square root of 491948 is about 701.3900484039. The cubic root of 491948 is about 78.9416863903.

The spelling of 491948 in words is "four hundred ninety-one thousand, nine hundred forty-eight".