491948284 has 6 divisors (see below), whose sum is σ = 860909504. Its totient is φ = 245974140.

The previous prime is 491948273. The next prime is 491948293. The reversal of 491948284 is 482849194.

It is a super-2 number, since 2×491948284² = 484026228261089312, which contains 22 as substring.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 61493532 + ... + 61493539.

Almost surely, 2^491948284 is an apocalyptic number.

It is an amenable number.

491948284 is a deficient number, since it is larger than the sum of its proper divisors (368961220).

491948284 is a wasteful number, since it uses less digits than its factorization.

491948284 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 122987075 (or 122987073 counting only the distinct ones).

The product of its digits is 663552, while the sum is 49.

The square root of 491948284 is about 22179.9072135120. The cubic root of 491948284 is about 789.4170158121.

The spelling of 491948284 in words is "four hundred ninety-one million, nine hundred forty-eight thousand, two hundred eighty-four".