491247334 has 16 divisors (see below), whose sum is σ = 793443600. Its totient is φ = 227256064.

The previous prime is 491247331. The next prime is 491247347. The reversal of 491247334 is 433742194.

It is a junction number, because it is equal to n+sod(n) for n = 491247293 and 491247302.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (491247331) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 120439 + ... + 124450.

It is an arithmetic number, because the mean of its divisors is an integer number (49590225).

Almost surely, 2^491247334 is an apocalyptic number.

491247334 is a deficient number, since it is larger than the sum of its proper divisors (302196266).

491247334 is a wasteful number, since it uses less digits than its factorization.

491247334 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 244967.

The product of its digits is 72576, while the sum is 37.

The square root of 491247334 is about 22164.1001170812. The cubic root of 491247334 is about 789.0419053297.

The spelling of 491247334 in words is "four hundred ninety-one million, two hundred forty-seven thousand, three hundred thirty-four".