18382094 has 4 divisors (see below), whose sum is σ = 27573144. Its totient is φ = 9191046.

The previous prime is 18382079. The next prime is 18382097. The reversal of 18382094 is 49028381.

It is a happy number.

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 (18382097) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 4595522 + ... + 4595525.

It is an arithmetic number, because the mean of its divisors is an integer number (6893286).

Almost surely, 2^18382094 is an apocalyptic number.

18382094 is a deficient number, since it is larger than the sum of its proper divisors (9191050).

18382094 is an equidigital number, since it uses as much as digits as its factorization.

18382094 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 9191049.

The product of its (nonzero) digits is 13824, while the sum is 35.

The square root of 18382094 is about 4287.4344309855. The cubic root of 18382094 is about 263.9155587762.

The spelling of 18382094 in words is "eighteen million, three hundred eighty-two thousand, ninety-four".