491884 has 6 divisors (see below), whose sum is σ = 860804. Its totient is φ = 245940.

The previous prime is 491873. The next prime is 491899. The reversal of 491884 is 488194.

It is an unprimeable number.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 61482 + ... + 61489.

2⁴⁹¹⁸⁸⁴ is an apocalyptic number.

It is an amenable number.

491884 is a deficient number, since it is larger than the sum of its proper divisors (368920).

491884 is a wasteful number, since it uses less digits than its factorization.

491884 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 122975 (or 122973 counting only the distinct ones).

The product of its digits is 9216, while the sum is 34.

The square root of 491884 is about 701.3444232330. The cubic root of 491884 is about 78.9382629343.

The spelling of 491884 in words is "four hundred ninety-one thousand, eight hundred eighty-four".