23684689 has 12 divisors (see below), whose sum is σ = 29173284. Its totient is φ = 19106304.

The previous prime is 23684681. The next prime is 23684711. The reversal of 23684689 is 98648632.

It is a happy number.

It can be written as a sum of positive squares in 2 ways, for example, as 14025025 + 9659664 = 3745^2 + 3108^2 .

It is not a de Polignac number, because 23684689 - 2³ = 23684681 is a prime.

It is not an unprimeable number, because it can be changed into a prime (23684681) by changing a digit.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 13384 + ... + 15049.

It is an arithmetic number, because the mean of its divisors is an integer number (2431107).

Almost surely, 2^23684689 is an apocalyptic number.

It is an amenable number.

23684689 is a deficient number, since it is larger than the sum of its proper divisors (5488595).

23684689 is a wasteful number, since it uses less digits than its factorization.

23684689 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 28464 (or 28457 counting only the distinct ones).

The product of its digits is 497664, while the sum is 46.

The square root of 23684689 is about 4866.6917921726. The cubic root of 23684689 is about 287.1811269905.

The spelling of 23684689 in words is "twenty-three million, six hundred eighty-four thousand, six hundred eighty-nine".