23900736 has 56 divisors (see below), whose sum is σ = 63605664. Its totient is φ = 7920640.

The previous prime is 23900731. The next prime is 23900753. The reversal of 23900736 is 63700932.

It is a happy number.

It is not an unprimeable number, because it can be changed into a prime (23900731) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 53731 + ... + 54173.

Almost surely, 2^23900736 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 23900736, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (31802832).

23900736 is an abundant number, since it is smaller than the sum of its proper divisors (39704928).

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

23900736 is a wasteful number, since it uses less digits than its factorization.

23900736 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 739 (or 729 counting only the distinct ones).

The product of its (nonzero) digits is 6804, while the sum is 30.

The square root of 23900736 is about 4888.8378987240. The cubic root of 23900736 is about 288.0516882537.

The spelling of 23900736 in words is "twenty-three million, nine hundred thousand, seven hundred thirty-six".