23985198 has 48 divisors (see below), whose sum is σ = 55632096. Its totient is φ = 7441920.

The previous prime is 23985193. The next prime is 23985217. The reversal of 23985198 is 89158932.

It is a happy number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (23985191) by changing a digit.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 31138 + ... + 31898.

It is an arithmetic number, because the mean of its divisors is an integer number (1159002).

Almost surely, 2^23985198 is an apocalyptic number.

It is a practical number, because each smaller number is the sum of distinct divisors of 23985198, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (27816048).

23985198 is an abundant number, since it is smaller than the sum of its proper divisors (31646898).

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

23985198 is a wasteful number, since it uses less digits than its factorization.

23985198 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 889 (or 886 counting only the distinct ones).

The product of its digits is 155520, while the sum is 45.

The square root of 23985198 is about 4897.4685297611. The cubic root of 23985198 is about 288.3906013713.

The spelling of 23985198 in words is "twenty-three million, nine hundred eighty-five thousand, one hundred ninety-eight".