23986969 has 8 divisors (see below), whose sum is σ = 24531912. Its totient is φ = 23447040.

The previous prime is 23986951. The next prime is 23986979. The reversal of 23986969 is 96968932.

It is a happy number.

It can be written as a sum of positive squares in 4 ways, for example, as 6656400 + 17330569 = 2580^2 + 4163^2 .

It is a sphenic number, since it is the product of 3 distinct primes.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-23986969 is a prime.

It is a super-2 number, since 2×23986969² = 1150749363613922, which contains 22 as substring.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (23986909) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 9417 + ... + 11689.

It is an arithmetic number, because the mean of its divisors is an integer number (3066489).

Almost surely, 2^23986969 is an apocalyptic number.

It is an amenable number.

23986969 is a deficient number, since it is larger than the sum of its proper divisors (544943).

23986969 is a wasteful number, since it uses less digits than its factorization.

23986969 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2507.

The product of its digits is 1259712, while the sum is 52.

The square root of 23986969 is about 4897.6493341194. The cubic root of 23986969 is about 288.3976991820.

The spelling of 23986969 in words is "twenty-three million, nine hundred eighty-six thousand, nine hundred sixty-nine".