23890064 has 40 divisors (see below), whose sum is σ = 50889600. Its totient is φ = 10774400.

The previous prime is 23890063. The next prime is 23890079. The reversal of 23890064 is 46009832.

It is a self number, because there is not a number n which added to its sum of digits gives 23890064.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (23890063) 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, 25769 + ... + 26679.

It is an arithmetic number, because the mean of its divisors is an integer number (1272240).

Almost surely, 2^23890064 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 23890064, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (25444800).

23890064 is an abundant number, since it is smaller than the sum of its proper divisors (26999536).

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

23890064 is a wasteful number, since it uses less digits than its factorization.

23890064 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1079 (or 1073 counting only the distinct ones).

The product of its (nonzero) digits is 10368, while the sum is 32.

The square root of 23890064 is about 4887.7463109290. The cubic root of 23890064 is about 288.0088088869.

Adding to 23890064 its reverse (46009832), we get a palindrome (69899896).

The spelling of 23890064 in words is "twenty-three million, eight hundred ninety thousand, sixty-four".