3491290720 has 24 divisors (see below), whose sum is σ = 8248174704. Its totient is φ = 1396516224.

The previous prime is 3491290709. The next prime is 3491290763. The reversal of 3491290720 is 270921943.

It is a super-2 number, since 2×3491290720² = 24378221783116236800, which contains 22 as substring.

It is a self number, because there is not a number n which added to its sum of digits gives 3491290720.

It is a congruent number.

It is an unprimeable number.

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 in 3 ways as a sum of consecutive naturals, for example, 10910124 + ... + 10910443.

It is an arithmetic number, because the mean of its divisors is an integer number (343673946).

Almost surely, 2^3491290720 is an apocalyptic number.

It is an amenable number.

3491290720 is an abundant number, since it is smaller than the sum of its proper divisors (4756883984).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

3491290720 is a wasteful number, since it uses less digits than its factorization.

3491290720 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 21820582 (or 21820574 counting only the distinct ones).

The product of its (nonzero) digits is 27216, while the sum is 37.

The square root of 3491290720 is about 59087.1451332690. The cubic root of 3491290720 is about 1517.0340825965.

The spelling of 3491290720 in words is "three billion, four hundred ninety-one million, two hundred ninety thousand, seven hundred twenty".