23897944 has 32 divisors (see below), whose sum is σ = 51367680. Its totient is φ = 10210464.

The previous prime is 23897927. The next prime is 23897947. The reversal of 23897944 is 44979832.

It is a happy number.

It is a super-2 number, since 2×23897944² = 1142223454854272, which contains 22 as substring.

It is a junction number, because it is equal to n+sod(n) for n = 23897894 and 23897903.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (23897947) by changing a digit.

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 in 7 ways as a sum of consecutive naturals, for example, 32509 + ... + 33235.

It is an arithmetic number, because the mean of its divisors is an integer number (1605240).

Almost surely, 2^23897944 is an apocalyptic number.

It is an amenable number.

23897944 is an abundant number, since it is smaller than the sum of its proper divisors (27469736).

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

23897944 is a wasteful number, since it uses less digits than its factorization.

23897944 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1327 (or 1323 counting only the distinct ones).

The product of its digits is 435456, while the sum is 46.

The square root of 23897944 is about 4888.5523419516. The cubic root of 23897944 is about 288.0404714215.

The spelling of 23897944 in words is "twenty-three million, eight hundred ninety-seven thousand, nine hundred forty-four".