491548 has 6 divisors (see below), whose sum is σ = 860216. Its totient is φ = 245772.

The previous prime is 491539. The next prime is 491581. The reversal of 491548 is 845194.

It is a happy number.

It is a zygodrome in base 2.

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (7) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 61440 + ... + 61447.

2⁴⁹¹⁵⁴⁸ is an apocalyptic number.

It is an amenable number.

491548 is a deficient number, since it is larger than the sum of its proper divisors (368668).

491548 is a wasteful number, since it uses less digits than its factorization.

491548 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 122891 (or 122889 counting only the distinct ones).

The product of its digits is 5760, while the sum is 31.

The square root of 491548 is about 701.1048423738. The cubic root of 491548 is about 78.9202849165.

The spelling of 491548 in words is "four hundred ninety-one thousand, five hundred forty-eight".