18029834 has 16 divisors (see below), whose sum is σ = 27628128. Its totient is φ = 8822352.

The previous prime is 18029833. The next prime is 18029849. The reversal of 18029834 is 43892081.

It is a happy number.

It is a junction number, because it is equal to n+sod(n) for n = 18029794 and 18029803.

It is not an unprimeable number, because it can be changed into a prime (18029833) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 26057 + ... + 26739.

It is an arithmetic number, because the mean of its divisors is an integer number (1726758).

Almost surely, 2^18029834 is an apocalyptic number.

18029834 is a deficient number, since it is larger than the sum of its proper divisors (9598294).

18029834 is a wasteful number, since it uses less digits than its factorization.

18029834 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 949.

The product of its (nonzero) digits is 13824, while the sum is 35.

The square root of 18029834 is about 4246.1552020622. The cubic root of 18029834 is about 262.2188506089.

The spelling of 18029834 in words is "eighteen million, twenty-nine thousand, eight hundred thirty-four".