18230834 has 32 divisors (see below), whose sum is σ = 30139776. Its totient is φ = 8236800.

The previous prime is 18230833. The next prime is 18230837. The reversal of 18230834 is 43803281.

It is a happy number.

It is a junction number, because it is equal to n+sod(n) for n = 18230797 and 18230806.

It is not an unprimeable number, because it can be changed into a prime (18230833) by changing a digit.

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 15 ways as a sum of consecutive naturals, for example, 120659 + ... + 120809.

It is an arithmetic number, because the mean of its divisors is an integer number (941868).

Almost surely, 2^18230834 is an apocalyptic number.

18230834 is a deficient number, since it is larger than the sum of its proper divisors (11908942).

18230834 is a wasteful number, since it uses less digits than its factorization.

18230834 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 290.

The product of its (nonzero) digits is 4608, while the sum is 29.

The square root of 18230834 is about 4269.7580727718. The cubic root of 18230834 is about 263.1896736401.

The spelling of 18230834 in words is "eighteen million, two hundred thirty thousand, eight hundred thirty-four".