8557964 has 24 divisors (see below), whose sum is σ = 15346800. Its totient is φ = 4174784.

The previous prime is 8557937. The next prime is 8557981. The reversal of 8557964 is 4697558.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 49382 + ... + 49554.

It is an arithmetic number, because the mean of its divisors is an integer number (639450).

Almost surely, 2^8557964 is an apocalyptic number.

It is an amenable number.

8557964 is a deficient number, since it is larger than the sum of its proper divisors (6788836).

8557964 is a wasteful number, since it uses less digits than its factorization.

8557964 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 409 (or 407 counting only the distinct ones).

The product of its digits is 302400, while the sum is 44.

The square root of 8557964 is about 2925.3998017365. The cubic root of 8557964 is about 204.5456046927.

The spelling of 8557964 in words is "eight million, five hundred fifty-seven thousand, nine hundred sixty-four".