3309909380 has 24 divisors (see below), whose sum is σ = 7019633880. Its totient is φ = 1310854400.

The previous prime is 3309909319. The next prime is 3309909443. The reversal of 3309909380 is 839099033.

It can be written as a sum of positive squares in 4 ways, for example, as 2335595584 + 974313796 = 48328^2 + 31214^2 .

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 7 ways as a sum of consecutive naturals, for example, 817265 + ... + 821304.

It is an arithmetic number, because the mean of its divisors is an integer number (292484745).

Almost surely, 2^3309909380 is an apocalyptic number.

It is an amenable number.

3309909380 is an abundant number, since it is smaller than the sum of its proper divisors (3709724500).

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

3309909380 is a wasteful number, since it uses less digits than its factorization.

3309909380 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1638679 (or 1638677 counting only the distinct ones).

The product of its (nonzero) digits is 157464, while the sum is 44.

The square root of 3309909380 is about 57531.8118956808. The cubic root of 3309909380 is about 1490.2942799678.

The spelling of 3309909380 in words is "three billion, three hundred nine million, nine hundred nine thousand, three hundred eighty".