23908224 has 64 divisors (see below), whose sum is σ = 66291840. Its totient is φ = 7620096.

The previous prime is 23908219. The next prime is 23908229. The reversal of 23908224 is 42280932.

It is an interprime number because it is at equal distance from previous prime (23908219) and next prime (23908229).

It is a tau number, because it is divible by the number of its divisors (64).

It is a junction number, because it is equal to n+sod(n) for n = 23908191 and 23908200.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (23908229) 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, 7479 + ... + 10185.

It is an arithmetic number, because the mean of its divisors is an integer number (1035810).

Almost surely, 2^23908224 is an apocalyptic number.

23908224 is a gapful number since it is divisible by the number (24) formed by its first and last digit.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 23908224, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (33145920).

23908224 is an abundant number, since it is smaller than the sum of its proper divisors (42383616).

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

23908224 is a wasteful number, since it uses less digits than its factorization.

23908224 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2747 (or 2735 counting only the distinct ones).

The product of its (nonzero) digits is 6912, while the sum is 30.

The square root of 23908224 is about 4889.6036649201. The cubic root of 23908224 is about 288.0817669066.

The spelling of 23908224 in words is "twenty-three million, nine hundred eight thousand, two hundred twenty-four".