18084706 has 4 divisors (see below), whose sum is σ = 27127062. Its totient is φ = 9042352.

The previous prime is 18084697. The next prime is 18084733. The reversal of 18084706 is 60748081.

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., 12538681 + 5546025 = 3541^2 + 2355^2 .

It is a super-2 number, since 2×18084706² = 654113182212872, which contains 22 as substring.

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 as a sum of consecutive naturals, namely, 4521175 + ... + 4521178.

Almost surely, 2^18084706 is an apocalyptic number.

18084706 is a deficient number, since it is larger than the sum of its proper divisors (9042356).

18084706 is an equidigital number, since it uses as much as digits as its factorization.

18084706 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 9042355.

The product of its (nonzero) digits is 10752, while the sum is 34.

The square root of 18084706 is about 4252.6116681399. The cubic root of 18084706 is about 262.4845935024.

The spelling of 18084706 in words is "eighteen million, eighty-four thousand, seven hundred six".