18825382 has 4 divisors (see below), whose sum is σ = 28238076. Its totient is φ = 9412690.

The previous prime is 18825377. The next prime is 18825383. The reversal of 18825382 is 28352881.

It is a semiprime because it is the product of two primes.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (18825383) 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 as a sum of consecutive naturals, namely, 4706344 + ... + 4706347.

It is an arithmetic number, because the mean of its divisors is an integer number (7059519).

Almost surely, 2^18825382 is an apocalyptic number.

18825382 is a deficient number, since it is larger than the sum of its proper divisors (9412694).

18825382 is an equidigital number, since it uses as much as digits as its factorization.

18825382 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 9412693.

The product of its digits is 30720, while the sum is 37.

The square root of 18825382 is about 4338.8226513652. The cubic root of 18825382 is about 266.0201899236.

The spelling of 18825382 in words is "eighteen million, eight hundred twenty-five thousand, three hundred eighty-two".