18830234 has 8 divisors (see below), whose sum is σ = 28934388. Its totient is φ = 9185440.

The previous prime is 18830233. The next prime is 18830243. The reversal of 18830234 is 43203881.

It is a happy number.

It can be written as a sum of positive squares in 2 ways, for example, as 18705625 + 124609 = 4325^2 + 353^2 .

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 = 18830197 and 18830206.

It is not an unprimeable number, because it can be changed into a prime (18830233) 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, 114737 + ... + 114900.

Almost surely, 2^18830234 is an apocalyptic number.

18830234 is a deficient number, since it is larger than the sum of its proper divisors (10104154).

18830234 is a wasteful number, since it uses less digits than its factorization.

18830234 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 229680.

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

The square root of 18830234 is about 4339.3817531994. The cubic root of 18830234 is about 266.0430423875.

The spelling of 18830234 in words is "eighteen million, eight hundred thirty thousand, two hundred thirty-four".