24920985 has 32 divisors (see below), whose sum is σ = 40989312. Its totient is φ = 12925440.

The previous prime is 24920977. The next prime is 24921007. The reversal of 24920985 is 58902942.

It is not a de Polignac number, because 24920985 - 2³ = 24920977 is a prime.

It is an unprimeable number.

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 31 ways as a sum of consecutive naturals, for example, 137595 + ... + 137775.

It is an arithmetic number, because the mean of its divisors is an integer number (1280916).

Almost surely, 2^24920985 is an apocalyptic number.

It is an amenable number.

24920985 is a deficient number, since it is larger than the sum of its proper divisors (16068327).

24920985 is a wasteful number, since it uses less digits than its factorization.

24920985 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 393.

The product of its (nonzero) digits is 51840, while the sum is 39.

The square root of 24920985 is about 4992.0922467438. The cubic root of 24920985 is about 292.0933936885.

The spelling of 24920985 in words is "twenty-four million, nine hundred twenty thousand, nine hundred eighty-five".