23897748 has 48 divisors (see below), whose sum is σ = 64641024. Its totient is φ = 6730080.

The previous prime is 23897743. The next prime is 23897771. The reversal of 23897748 is 84779832.

It is a super-2 number, since 2×23897748² = 1142204718943008, which contains 22 as substring.

It is a junction number, because it is equal to n+sod(n) for n = 23897697 and 23897706.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (23897743) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 3961 + ... + 7967.

It is an arithmetic number, because the mean of its divisors is an integer number (1346688).

Almost surely, 2^23897748 is an apocalyptic number.

23897748 is a gapful number since it is divisible by the number (28) 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 23897748, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (32320512).

23897748 is an abundant number, since it is smaller than the sum of its proper divisors (40743276).

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

23897748 is a wasteful number, since it uses less digits than its factorization.

23897748 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 4092 (or 4090 counting only the distinct ones).

The product of its digits is 677376, while the sum is 48.

The square root of 23897748 is about 4888.5322950759. The cubic root of 23897748 is about 288.0396839606.

The spelling of 23897748 in words is "twenty-three million, eight hundred ninety-seven thousand, seven hundred forty-eight".