23897960 has 32 divisors (see below), whose sum is σ = 53994600. Its totient is φ = 9519360.

The previous prime is 23897947. The next prime is 23897963. The reversal of 23897960 is 6979832.

It can be written as a sum of positive squares in 4 ways, for example, as 15476356 + 8421604 = 3934^2 + 2902^2 .

It is a super-2 number, since 2×23897960² = 1142224984323200, which contains 22 as substring.

It is not an unprimeable number, because it can be changed into a prime (23897963) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 9650 + ... + 11870.

Almost surely, 2^23897960 is an apocalyptic number.

23897960 is a gapful number since it is divisible by the number (20) formed by its first and last digit.

It is an amenable number.

23897960 is an abundant number, since it is smaller than the sum of its proper divisors (30096640).

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

23897960 is a wasteful number, since it uses less digits than its factorization.

23897960 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2501 (or 2497 counting only the distinct ones).

The product of its (nonzero) digits is 163296, while the sum is 44.

The square root of 23897960 is about 4888.5539784276. The cubic root of 23897960 is about 288.0405357038.

The spelling of 23897960 in words is "twenty-three million, eight hundred ninety-seven thousand, nine hundred sixty".