23749936 has 40 divisors (see below), whose sum is σ = 53594784. Its totient is φ = 9984000.

The previous prime is 23749931. The next prime is 23749939. The reversal of 23749936 is 63994732.

It is a junction number, because it is equal to n+sod(n) for n = 23749892 and 23749901.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (23749931) 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, 3936 + ... + 7936.

Almost surely, 2^23749936 is an apocalyptic number.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 23749936, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (26797392).

23749936 is an abundant number, since it is smaller than the sum of its proper divisors (29844848).

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

23749936 is a wasteful number, since it uses less digits than its factorization.

23749936 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 4069 (or 4063 counting only the distinct ones).

The product of its digits is 244944, while the sum is 43.

The square root of 23749936 is about 4873.3906061386. The cubic root of 23749936 is about 287.4445957509. Note that the first 3 decimals are identical.

The spelling of 23749936 in words is "twenty-three million, seven hundred forty-nine thousand, nine hundred thirty-six".