24994393 has 4 divisors (see below), whose sum is σ = 25032868. Its totient is φ = 24955920.

The previous prime is 24994391. The next prime is 24994423. The reversal of 24994393 is 39349942.

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 6906384 + 18088009 = 2628^2 + 4253^2 .

It is a cyclic number.

It is not a de Polignac number, because 24994393 - 2¹ = 24994391 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (24994391) 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, 18246 + ... + 19567.

It is an arithmetic number, because the mean of its divisors is an integer number (6258217).

Almost surely, 2^24994393 is an apocalyptic number.

It is an amenable number.

24994393 is a deficient number, since it is larger than the sum of its proper divisors (38475).

24994393 is an equidigital number, since it uses as much as digits as its factorization.

24994393 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 38474.

The product of its digits is 209952, while the sum is 43.

The square root of 24994393 is about 4999.4392685580. The cubic root of 24994393 is about 292.3799122302.

The spelling of 24994393 in words is "twenty-four million, nine hundred ninety-four thousand, three hundred ninety-three".