23904272 has 40 divisors (see below), whose sum is σ = 53942976. Its totient is φ = 10048896.

The previous prime is 23904241. The next prime is 23904277. The reversal of 23904272 is 27240932.

It is a happy number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (23904277) 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, 3923 + ... + 7949.

Almost surely, 2^23904272 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 23904272, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (26971488).

23904272 is an abundant number, since it is smaller than the sum of its proper divisors (30038704).

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

23904272 is a wasteful number, since it uses less digits than its factorization.

23904272 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 4095 (or 4089 counting only the distinct ones).

The product of its (nonzero) digits is 6048, while the sum is 29.

The square root of 23904272 is about 4889.1995254847. The cubic root of 23904272 is about 288.0658928447.

The spelling of 23904272 in words is "twenty-three million, nine hundred four thousand, two hundred seventy-two".