3309680 has 40 divisors (see below), whose sum is σ = 8396784. Its totient is φ = 1203200.

The previous prime is 3309673. The next prime is 3309689. The reversal of 3309680 is 869033.

It is a tau number, because it is divible by the number of its divisors (40).

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (3309689) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (7) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 1001 + ... + 2760.

Almost surely, 2^3309680 is an apocalyptic number.

It is an amenable number.

3309680 is an abundant number, since it is smaller than the sum of its proper divisors (5087104).

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

3309680 is a wasteful number, since it uses less digits than its factorization.

3309680 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 3785 (or 3779 counting only the distinct ones).

The product of its (nonzero) digits is 3888, while the sum is 29.

The square root of 3309680 is about 1819.2525937868. The cubic root of 3309680 is about 149.0259852882.

The spelling of 3309680 in words is "three million, three hundred nine thousand, six hundred eighty".