24990893 has 4 divisors (see below), whose sum is σ = 25333308. Its totient is φ = 24648480.

The previous prime is 24990877. The next prime is 24990899. The reversal of 24990893 is 39809942.

It is a semiprime because it is the product of two primes.

It can be written as a sum of positive squares in 2 ways, for example, as 12124324 + 12866569 = 3482^2 + 3587^2 .

It is a cyclic number.

It is not a de Polignac number, because 24990893 - 2⁴ = 24990877 is a prime.

It is a Duffinian number.

It is a Curzon number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (24990899) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 171098 + ... + 171243.

It is an arithmetic number, because the mean of its divisors is an integer number (6333327).

Almost surely, 2^24990893 is an apocalyptic number.

It is an amenable number.

24990893 is a deficient number, since it is larger than the sum of its proper divisors (342415).

24990893 is an equidigital number, since it uses as much as digits as its factorization.

24990893 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 342414.

The product of its (nonzero) digits is 139968, while the sum is 44.

The square root of 24990893 is about 4999.0892170474. The cubic root of 24990893 is about 292.3662641364.

The spelling of 24990893 in words is "twenty-four million, nine hundred ninety thousand, eight hundred ninety-three".