23641998 has 16 divisors (see below), whose sum is σ = 47372880. Its totient is φ = 7865856.

The previous prime is 23641997. The next prime is 23642011. The reversal of 23641998 is 89914632.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (23641993) 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, 48 + ... + 6876.

It is an arithmetic number, because the mean of its divisors is an integer number (2960805).

Almost surely, 2^23641998 is an apocalyptic number.

23641998 is an abundant number, since it is smaller than the sum of its proper divisors (23730882).

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

23641998 is a wasteful number, since it uses less digits than its factorization.

23641998 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 7411.

The product of its digits is 93312, while the sum is 42.

The square root of 23641998 is about 4862.3037749610. The cubic root of 23641998 is about 287.0084778582.

The spelling of 23641998 in words is "twenty-three million, six hundred forty-one thousand, nine hundred ninety-eight".