23998464 has 208 divisors, whose sum is σ = 83875840. Its totient is φ = 6635520.

The previous prime is 23998439. The next prime is 23998477. The reversal of 23998464 is 46489932.

It is a nude number because it is divisible by every one of its digits.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 774129 + ... + 774159.

Almost surely, 2^23998464 is an apocalyptic number.

23998464 is a gapful number since it is divisible by the number (24) formed by its first and last digit.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 23998464, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (41937920).

23998464 is an abundant number, since it is smaller than the sum of its proper divisors (59877376).

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

23998464 is an equidigital number, since it uses as much as digits as its factorization.

23998464 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 71 (or 43 counting only the distinct ones).

The product of its digits is 373248, while the sum is 45.

The square root of 23998464 is about 4898.8227157145. The cubic root of 23998464 is about 288.4437603320.

The spelling of 23998464 in words is "twenty-three million, nine hundred ninety-eight thousand, four hundred sixty-four".