18825914 has 8 divisors (see below), whose sum is σ = 29466720. Its totient is φ = 9003676.

The previous prime is 18825907. The next prime is 18825923. The reversal of 18825914 is 41952881.

It is a sphenic number, since it is the product of 3 distinct primes.

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 3 ways as a sum of consecutive naturals, for example, 204584 + ... + 204675.

It is an arithmetic number, because the mean of its divisors is an integer number (3683340).

Almost surely, 2^18825914 is an apocalyptic number.

18825914 is a deficient number, since it is larger than the sum of its proper divisors (10640806).

18825914 is a wasteful number, since it uses less digits than its factorization.

18825914 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 409284.

The product of its digits is 23040, while the sum is 38.

The square root of 18825914 is about 4338.8839578859. The cubic root of 18825914 is about 266.0226957852.

The spelling of 18825914 in words is "eighteen million, eight hundred twenty-five thousand, nine hundred fourteen".