24998889 has 24 divisors (see below), whose sum is σ = 36100512. Its totient is φ = 15376320.

The previous prime is 24998879. The next prime is 24998917. The reversal of 24998889 is 98889942.

It is not a de Polignac number, because 24998889 - 2⁴ = 24998873 is a prime.

It is a Harshad number since it is a multiple of its sum of digits (57).

It is not an unprimeable number, because it can be changed into a prime (24998819) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 44122 + ... + 44684.

It is an arithmetic number, because the mean of its divisors is an integer number (1504188).

Almost surely, 2^24998889 is an apocalyptic number.

It is an amenable number.

24998889 is a deficient number, since it is larger than the sum of its proper divisors (11101623).

24998889 is a wasteful number, since it uses less digits than its factorization.

24998889 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 645 (or 626 counting only the distinct ones).

The product of its digits is 2985984, while the sum is 57.

The square root of 24998889 is about 4999.8888987657. Note that the first 4 decimals coincide. The cubic root of 24998889 is about 292.3974423122.

The spelling of 24998889 in words is "twenty-four million, nine hundred ninety-eight thousand, eight hundred eighty-nine".