18549094 has 8 divisors (see below), whose sum is σ = 27844128. Its totient is φ = 9267720.

The previous prime is 18549071. The next prime is 18549101. The reversal of 18549094 is 49094581.

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

It is an alternating number because its digits alternate between odd and even.

It is a congruent number.

It is an unprimeable number.

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 3 ways as a sum of consecutive naturals, for example, 1264 + ... + 6220.

It is an arithmetic number, because the mean of its divisors is an integer number (3480516).

Almost surely, 2^18549094 is an apocalyptic number.

18549094 is a deficient number, since it is larger than the sum of its proper divisors (9295034).

18549094 is a wasteful number, since it uses less digits than its factorization.

18549094 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 6830.

The product of its (nonzero) digits is 51840, while the sum is 40.

The square root of 18549094 is about 4306.8659138636. The cubic root of 18549094 is about 264.7123685866.

The spelling of 18549094 in words is "eighteen million, five hundred forty-nine thousand, ninety-four".