3261297490 has 32 divisors (see below), whose sum is σ = 6413950656. Its totient is φ = 1184084160.

The previous prime is 3261297463. The next prime is 3261297509. The reversal of 3261297490 is 947921623.

It is a super-2 number, since 2×3261297490² = 21272122636560600200, which contains 22 as substring.

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 49129 + ... + 94531.

It is an arithmetic number, because the mean of its divisors is an integer number (200435958).

Almost surely, 2^3261297490 is an apocalyptic number.

3261297490 is a deficient number, since it is larger than the sum of its proper divisors (3152653166).

3261297490 is a wasteful number, since it uses less digits than its factorization.

3261297490 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 46074.

The product of its (nonzero) digits is 163296, while the sum is 43.

The square root of 3261297490 is about 57107.7708372512. The cubic root of 3261297490 is about 1482.9623964395.

The spelling of 3261297490 in words is "three billion, two hundred sixty-one million, two hundred ninety-seven thousand, four hundred ninety".