23897249 has 8 divisors (see below), whose sum is σ = 24810240. Its totient is φ = 22993200.

The previous prime is 23897239. The next prime is 23897261. The reversal of 23897249 is 94279832.

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

It is a cyclic number.

It is not a de Polignac number, because 23897249 - 2⁴ = 23897233 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (23897239) 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, 3482 + ... + 7740.

It is an arithmetic number, because the mean of its divisors is an integer number (3101280).

Almost surely, 2^23897249 is an apocalyptic number.

It is an amenable number.

23897249 is a deficient number, since it is larger than the sum of its proper divisors (912991).

23897249 is a wasteful number, since it uses less digits than its factorization.

23897249 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 4471.

The product of its digits is 217728, while the sum is 44.

The square root of 23897249 is about 4888.4812569959. The cubic root of 23897249 is about 288.0376791301.

The spelling of 23897249 in words is "twenty-three million, eight hundred ninety-seven thousand, two hundred forty-nine".