24782890 has 16 divisors (see below), whose sum is σ = 48664800. Its totient is φ = 9011920.

The previous prime is 24782881. The next prime is 24782917. The reversal of 24782890 is 9828742.

It is a super-2 number, since 2×24782890² = 1228383273504200, which contains 22 as substring.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 112540 + ... + 112759.

It is an arithmetic number, because the mean of its divisors is an integer number (3041550).

Almost surely, 2^24782890 is an apocalyptic number.

24782890 is a deficient number, since it is larger than the sum of its proper divisors (23881910).

24782890 is a wasteful number, since it uses less digits than its factorization.

24782890 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 225317.

The product of its (nonzero) digits is 64512, while the sum is 40.

The square root of 24782890 is about 4978.2416574530. The cubic root of 24782890 is about 291.5528669877.

The spelling of 24782890 in words is "twenty-four million, seven hundred eighty-two thousand, eight hundred ninety".