23896564 has 6 divisors (see below), whose sum is σ = 41818994. Its totient is φ = 11948280.

The previous prime is 23896553. The next prime is 23896591. The reversal of 23896564 is 46569832.

It can be written as a sum of positive squares in only one way, i.e., 21622500 + 2274064 = 4650^2 + 1508^2 .

It is a self number, because there is not a number n which added to its sum of digits gives 23896564.

It is a congruent number.

It is an unprimeable number.

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 as a sum of consecutive naturals, namely, 2987067 + ... + 2987074.

Almost surely, 2^23896564 is an apocalyptic number.

It is an amenable number.

23896564 is a deficient number, since it is larger than the sum of its proper divisors (17922430).

23896564 is a wasteful number, since it uses less digits than its factorization.

23896564 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 5974145 (or 5974143 counting only the distinct ones).

The product of its digits is 311040, while the sum is 43.

The square root of 23896564 is about 4888.4111938338. The cubic root of 23896564 is about 288.0349269626.

The spelling of 23896564 in words is "twenty-three million, eight hundred ninety-six thousand, five hundred sixty-four".