491371484 has 6 divisors (see below), whose sum is σ = 859900104. Its totient is φ = 245685740.

The previous prime is 491371481. The next prime is 491371513. The reversal of 491371484 is 484173194.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (491371481) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 61421432 + ... + 61421439.

It is an arithmetic number, because the mean of its divisors is an integer number (143316684).

Almost surely, 2^491371484 is an apocalyptic number.

It is an amenable number.

491371484 is a deficient number, since it is larger than the sum of its proper divisors (368528620).

491371484 is a wasteful number, since it uses less digits than its factorization.

491371484 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 122842875 (or 122842873 counting only the distinct ones).

The product of its digits is 96768, while the sum is 41.

The square root of 491371484 is about 22166.9006403692. The cubic root of 491371484 is about 789.1083696779.

The spelling of 491371484 in words is "four hundred ninety-one million, three hundred seventy-one thousand, four hundred eighty-four".