491948272 has 10 divisors (see below), whose sum is σ = 953149808. Its totient is φ = 245974128.

The previous prime is 491948267. The next prime is 491948273. The reversal of 491948272 is 272849194.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (491948273) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 15373368 + ... + 15373399.

Almost surely, 2^491948272 is an apocalyptic number.

It is an amenable number.

491948272 is a deficient number, since it is larger than the sum of its proper divisors (461201536).

491948272 is a wasteful number, since it uses less digits than its factorization.

491948272 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 30746775 (or 30746769 counting only the distinct ones).

The product of its digits is 290304, while the sum is 46.

The square root of 491948272 is about 22179.9069429969. The cubic root of 491948272 is about 789.4170093934.

The spelling of 491948272 in words is "four hundred ninety-one million, nine hundred forty-eight thousand, two hundred seventy-two".