18056834 has 8 divisors (see below), whose sum is σ = 27110028. Its totient is φ = 9020160.

The previous prime is 18056833. The next prime is 18056867. The reversal of 18056834 is 43865081.

It can be written as a sum of positive squares in 2 ways, for example, as 13667809 + 4389025 = 3697^2 + 2095^2 .

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 = 18056794 and 18056803.

It is not an unprimeable number, because it can be changed into a prime (18056833) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 887 + ... + 6074.

Almost surely, 2^18056834 is an apocalyptic number.

18056834 is a deficient number, since it is larger than the sum of its proper divisors (9053194).

18056834 is a wasteful number, since it uses less digits than its factorization.

18056834 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 8260.

The product of its (nonzero) digits is 23040, while the sum is 35.

The square root of 18056834 is about 4249.3333594812. Note that the first 4 decimals coincide. The cubic root of 18056834 is about 262.3496778035.

The spelling of 18056834 in words is "eighteen million, fifty-six thousand, eight hundred thirty-four".