24685993 has 8 divisors (see below), whose sum is σ = 25589960. Its totient is φ = 23794560.

The previous prime is 24685987. The next prime is 24686009. The reversal of 24685993 is 39958642.

It can be written as a sum of positive squares in 4 ways, for example, as 5702544 + 18983449 = 2388^2 + 4357^2 .

It is a sphenic number, since it is the product of 3 distinct primes.

It is a cyclic number.

It is not a de Polignac number, because 24685993 - 2¹³ = 24677801 is a prime.

It is the 4969-th Hogben number.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (24685093) by changing a digit.

It is a nontrivial repunit in base 4968.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 973 + ... + 7093.

It is an arithmetic number, because the mean of its divisors is an integer number (3198745).

Almost surely, 2^24685993 is an apocalyptic number.

It is an amenable number.

24685993 is a deficient number, since it is larger than the sum of its proper divisors (903967).

24685993 is a wasteful number, since it uses less digits than its factorization.

24685993 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 6267.

The product of its digits is 466560, while the sum is 46.

The square root of 24685993 is about 4968.5000754755. The cubic root of 24685993 is about 291.1723962043.

The spelling of 24685993 in words is "twenty-four million, six hundred eighty-five thousand, nine hundred ninety-three".