8570964 has 12 divisors (see below), whose sum is σ = 19998944. Its totient is φ = 2856984.

The previous prime is 8570963. The next prime is 8570977. The reversal of 8570964 is 4690758.

It is a tau number, because it is divible by the number of its divisors (12).

It is a super-2 number, since 2×8570964² = 146922847778592, which contains 22 as substring.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (8570963) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 357112 + ... + 357135.

Almost surely, 2^8570964 is an apocalyptic number.

It is an amenable number.

8570964 is an abundant number, since it is smaller than the sum of its proper divisors (11427980).

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

8570964 is a wasteful number, since it uses less digits than its factorization.

8570964 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 714254 (or 714252 counting only the distinct ones).

The product of its (nonzero) digits is 60480, while the sum is 39.

The square root of 8570964 is about 2927.6208770946. The cubic root of 8570964 is about 204.6491241577.

The spelling of 8570964 in words is "eight million, five hundred seventy thousand, nine hundred sixty-four".