23249388 has 48 divisors (see below), whose sum is σ = 57697920. Its totient is φ = 7265664.

The previous prime is 23249383. The next prime is 23249399. The reversal of 23249388 is 88394232.

It is not an unprimeable number, because it can be changed into a prime (23249383) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 23920 + ... + 24872.

It is an arithmetic number, because the mean of its divisors is an integer number (1202040).

Almost surely, 2^23249388 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 23249388, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (28848960).

23249388 is an abundant number, since it is smaller than the sum of its proper divisors (34448532).

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

23249388 is a wasteful number, since it uses less digits than its factorization.

23249388 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1086 (or 1084 counting only the distinct ones).

The product of its digits is 82944, while the sum is 39.

The square root of 23249388 is about 4821.7619186351. The cubic root of 23249388 is about 285.4108693751.

The spelling of 23249388 in words is "twenty-three million, two hundred forty-nine thousand, three hundred eighty-eight".