24990369 has 16 divisors (see below), whose sum is σ = 33825600. Its totient is φ = 16410176.

The previous prime is 24990347. The next prime is 24990379. The reversal of 24990369 is 96309942.

24990369 = 77² + 78² + ... + 422².

It is a cyclic number.

It is not a de Polignac number, because 24990369 - 2⁷ = 24990241 is a prime.

It is a super-2 number, since 2×24990369² = 1249037085512322, which contains 22 as substring.

It is a Curzon number.

It is a self number, because there is not a number n which added to its sum of digits gives 24990369.

It is not an unprimeable number, because it can be changed into a prime (24990319) 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 15 ways as a sum of consecutive naturals, for example, 92767 + ... + 93035.

It is an arithmetic number, because the mean of its divisors is an integer number (2114100).

Almost surely, 2^24990369 is an apocalyptic number.

It is an amenable number.

24990369 is a deficient number, since it is larger than the sum of its proper divisors (8835231).

24990369 is a wasteful number, since it uses less digits than its factorization.

24990369 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 624.

The product of its (nonzero) digits is 104976, while the sum is 42.

The square root of 24990369 is about 4999.0368072260. The cubic root of 24990369 is about 292.3642207121.

The spelling of 24990369 in words is "twenty-four million, nine hundred ninety thousand, three hundred sixty-nine".