24690393 has 48 divisors (see below), whose sum is σ = 45325440. Its totient is φ = 13006656.

The previous prime is 24690389. The next prime is 24690403. The reversal of 24690393 is 39309642.

It is a happy number.

It is not a de Polignac number, because 24690393 - 2² = 24690389 is a prime.

It is not an unprimeable number, because it can be changed into a prime (24690383) by changing a digit.

It is a polite number, since it can be written in 47 ways as a sum of consecutive naturals, for example, 31555 + ... + 32327.

It is an arithmetic number, because the mean of its divisors is an integer number (944280).

Almost surely, 2^24690393 is an apocalyptic number.

It is an amenable number.

24690393 is a deficient number, since it is larger than the sum of its proper divisors (20635047).

24690393 is a wasteful number, since it uses less digits than its factorization.

24690393 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 815 (or 796 counting only the distinct ones).

The product of its (nonzero) digits is 34992, while the sum is 36.

The square root of 24690393 is about 4968.9428453143. The cubic root of 24690393 is about 291.1896945758.

The spelling of 24690393 in words is "twenty-four million, six hundred ninety thousand, three hundred ninety-three".