18094546 has 4 divisors (see below), whose sum is σ = 27141822. Its totient is φ = 9047272.

The previous prime is 18094543. The next prime is 18094561. The reversal of 18094546 is 64549081.

It is a happy number.

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

It can be written as a sum of positive squares in only one way, i.e., 15960025 + 2134521 = 3995^2 + 1461^2 .

It is a super-2 number, since 2×18094546² = 654825189892232, which contains 22 as substring.

It is not an unprimeable number, because it can be changed into a prime (18094543) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 4523635 + ... + 4523638.

Almost surely, 2^18094546 is an apocalyptic number.

18094546 is a deficient number, since it is larger than the sum of its proper divisors (9047276).

18094546 is an equidigital number, since it uses as much as digits as its factorization.

18094546 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 9047275.

The product of its (nonzero) digits is 34560, while the sum is 37.

The square root of 18094546 is about 4253.7684469186. The cubic root of 18094546 is about 262.5321913658.

The spelling of 18094546 in words is "eighteen million, ninety-four thousand, five hundred forty-six".