18087034 has 8 divisors (see below), whose sum is σ = 31006368. Its totient is φ = 7751580.

The previous prime is 18087029. The next prime is 18087053. The reversal of 18087034 is 43078081.

It is a happy number.

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

It is a junction number, because it is equal to n+sod(n) for n = 18086987 and 18087005.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 645952 + ... + 645979.

It is an arithmetic number, because the mean of its divisors is an integer number (3875796).

Almost surely, 2^18087034 is an apocalyptic number.

18087034 is a gapful number since it is divisible by the number (14) formed by its first and last digit.

18087034 is a deficient number, since it is larger than the sum of its proper divisors (12919334).

18087034 is a wasteful number, since it uses less digits than its factorization.

18087034 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1291940.

The product of its (nonzero) digits is 5376, while the sum is 31.

The square root of 18087034 is about 4252.8853734847. The cubic root of 18087034 is about 262.4958560192.

The spelling of 18087034 in words is "eighteen million, eighty-seven thousand, thirty-four".