23939408 has 20 divisors (see below), whose sum is σ = 47515188. Its totient is φ = 11677440.

The previous prime is 23939393. The next prime is 23939423. The reversal of 23939408 is 80493932.

It is an interprime number because it is at equal distance from previous prime (23939393) and next prime (23939423).

It can be written as a sum of positive squares in 2 ways, for example, as 976144 + 22963264 = 988^2 + 4792^2 .

It is a Smith number, since the sum of its digits (38) coincides with the sum of the digits of its prime factors.

It is a congruent number.

It is an unprimeable number.

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 3 ways as a sum of consecutive naturals, for example, 17591 + ... + 18902.

Almost surely, 2^23939408 is an apocalyptic number.

It is an amenable number.

23939408 is a deficient number, since it is larger than the sum of its proper divisors (23575780).

23939408 is a wasteful number, since it uses less digits than its factorization.

23939408 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 36542 (or 36536 counting only the distinct ones).

The product of its (nonzero) digits is 46656, while the sum is 38.

The square root of 23939408 is about 4892.7914323012. The cubic root of 23939408 is about 288.2069628620.

The spelling of 23939408 in words is "twenty-three million, nine hundred thirty-nine thousand, four hundred eight".