23904244 has 48 divisors (see below), whose sum is σ = 54528768. Its totient is φ = 8898048.

The previous prime is 23904241. The next prime is 23904277. The reversal of 23904244 is 44240932.

It is a Harshad number since it is a multiple of its sum of digits (28).

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (23904241) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 4257 + ... + 8119.

It is an arithmetic number, because the mean of its divisors is an integer number (1136016).

Almost surely, 2^23904244 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 23904244, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (27264384).

23904244 is an abundant number, since it is smaller than the sum of its proper divisors (30624524).

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

23904244 is a wasteful number, since it uses less digits than its factorization.

23904244 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 3904 (or 3902 counting only the distinct ones).

The product of its (nonzero) digits is 6912, while the sum is 28.

The square root of 23904244 is about 4889.1966620295. The cubic root of 23904244 is about 288.0657803704.

It can be divided in two parts, 239042 and 44, that added together give a triangular number (239086 = T₆₉₁).

The spelling of 23904244 in words is "twenty-three million, nine hundred four thousand, two hundred forty-four".