3309890961 has 16 divisors (see below), whose sum is σ = 4753765184. Its totient is φ = 2036384064.

The previous prime is 3309890929. The next prime is 3309890977. The reversal of 3309890961 is 1690989033.

It is a happy number.

It is not a de Polignac number, because 3309890961 - 2⁵ = 3309890929 is a prime.

It is a Duffinian number.

It is a self number, because there is not a number n which added to its sum of digits gives 3309890961.

It is not an unprimeable number, because it can be changed into a prime (3309890911) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 242850 + ... + 256116.

It is an arithmetic number, because the mean of its divisors is an integer number (297110324).

Almost surely, 2^3309890961 is an apocalyptic number.

It is an amenable number.

3309890961 is a deficient number, since it is larger than the sum of its proper divisors (1443874223).

3309890961 is a wasteful number, since it uses less digits than its factorization.

3309890961 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 19680.

The product of its (nonzero) digits is 314928, while the sum is 48.

The square root of 3309890961 is about 57531.6518188032. The cubic root of 3309890961 is about 1490.2915155637.

The spelling of 3309890961 in words is "three billion, three hundred nine million, eight hundred ninety thousand, nine hundred sixty-one".