23898400 has 36 divisors (see below), whose sum is σ = 58343922. Its totient is φ = 9559040.

The previous prime is 23898377. The next prime is 23898401. The reversal of 23898400 is 489832.

It can be written as a sum of positive squares in 3 ways, for example, as 22543504 + 1354896 = 4748^2 + 1164^2 .

It is a super-2 number, since 2×23898400² = 1142267045120000, which contains 22 as substring.

It is not an unprimeable number, because it can be changed into a prime (23898401) by changing a digit.

It is a polite number, since it can be written in 5 ways as a sum of consecutive naturals, for example, 14137 + ... + 15736.

Almost surely, 2^23898400 is an apocalyptic number.

23898400 is a gapful number since it is divisible by the number (20) formed by its first and last digit.

It is an amenable number.

23898400 is an abundant number, since it is smaller than the sum of its proper divisors (34445522).

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

23898400 is a wasteful number, since it uses less digits than its factorization.

23898400 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 29893 (or 29880 counting only the distinct ones).

The product of its (nonzero) digits is 13824, while the sum is 34.

The square root of 23898400 is about 4888.5989813033. The cubic root of 23898400 is about 288.0423034566.

The spelling of 23898400 in words is "twenty-three million, eight hundred ninety-eight thousand, four hundred".