8409964 has 12 divisors (see below), whose sum is σ = 14737744. Its totient is φ = 4199184.

The previous prime is 8409941. The next prime is 8410001. The reversal of 8409964 is 4699048.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 5062 + ... + 6514.

Almost surely, 2^8409964 is an apocalyptic number.

It is an amenable number.

8409964 is a deficient number, since it is larger than the sum of its proper divisors (6327780).

8409964 is a wasteful number, since it uses less digits than its factorization.

8409964 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2904 (or 2902 counting only the distinct ones).

The product of its (nonzero) digits is 62208, while the sum is 40.

The square root of 8409964 is about 2899.9937930968. The cubic root of 8409964 is about 203.3596155821.

The spelling of 8409964 in words is "eight million, four hundred nine thousand, nine hundred sixty-four".