24428856 has 32 divisors (see below), whose sum is σ = 61205760. Its totient is φ = 8125152.

The previous prime is 24428839. The next prime is 24428857. The reversal of 24428856 is 65882442.

It is a Smith number, since the sum of its digits (39) coincides with the sum of the digits of its prime factors.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (24428857) by changing a digit.

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, 14641 + ... + 16223.

It is an arithmetic number, because the mean of its divisors is an integer number (1912680).

Almost surely, 2^24428856 is an apocalyptic number.

It is an amenable number.

24428856 is an abundant number, since it is smaller than the sum of its proper divisors (36776904).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

24428856 is a wasteful number, since it uses less digits than its factorization.

24428856 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2235 (or 2231 counting only the distinct ones).

The product of its digits is 122880, while the sum is 39.

The square root of 24428856 is about 4942.5556142546. Note that the first 3 decimals coincide. The cubic root of 24428856 is about 290.1578846971.

The spelling of 24428856 in words is "twenty-four million, four hundred twenty-eight thousand, eight hundred fifty-six".