23988740 has 12 divisors (see below), whose sum is σ = 50376396. Its totient is φ = 9595488.

The previous prime is 23988733. The next prime is 23988763. The reversal of 23988740 is 4788932.

It can be written as a sum of positive squares in 2 ways, for example, as 18267076 + 5721664 = 4274^2 + 2392^2 .

It is a hoax number, since the sum of its digits (41) coincides with the sum of the digits of its distinct prime factors.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 599699 + ... + 599738.

It is an arithmetic number, because the mean of its divisors is an integer number (4198033).

Almost surely, 2^23988740 is an apocalyptic number.

23988740 is a gapful number since it is divisible by the number (20) formed by its first and last digit.

It is an amenable number.

23988740 is an abundant number, since it is smaller than the sum of its proper divisors (26387656).

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

23988740 is a wasteful number, since it uses less digits than its factorization.

23988740 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1199446 (or 1199444 counting only the distinct ones).

The product of its (nonzero) digits is 96768, while the sum is 41.

The square root of 23988740 is about 4897.8301318033. The cubic root of 23988740 is about 288.4047966433.

The spelling of 23988740 in words is "twenty-three million, nine hundred eighty-eight thousand, seven hundred forty".