3309666590 has 16 divisors (see below), whose sum is σ = 6307835472. Its totient is φ = 1245992064.

The previous prime is 3309666587. The next prime is 3309666599. The reversal of 3309666590 is 956669033.

It is a happy number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (3309666599) by changing a digit.

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, 9734144 + ... + 9734483.

It is an arithmetic number, because the mean of its divisors is an integer number (394239717).

Almost surely, 2^3309666590 is an apocalyptic number.

3309666590 is a deficient number, since it is larger than the sum of its proper divisors (2998168882).

3309666590 is a wasteful number, since it uses less digits than its factorization.

3309666590 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 19468651.

The product of its (nonzero) digits is 787320, while the sum is 47.

The square root of 3309666590 is about 57529.7018069797. The cubic root of 3309666590 is about 1490.2578401589.

The spelling of 3309666590 in words is "three billion, three hundred nine million, six hundred sixty-six thousand, five hundred ninety".