18589034 has 4 divisors (see below), whose sum is σ = 27883554. Its totient is φ = 9294516.

The previous prime is 18589033. The next prime is 18589063. The reversal of 18589034 is 43098581.

It is a semiprime because it is the product of two primes, and also an emirpimes, since its reverse is a distinct semiprime: 43098581 = 1481 ⋅29101.

It can be written as a sum of positive squares in only one way, i.e., 15578809 + 3010225 = 3947^2 + 1735^2 .

It is an alternating number because its digits alternate between odd and even.

It is not an unprimeable number, because it can be changed into a prime (18589033) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 4647257 + ... + 4647260.

Almost surely, 2^18589034 is an apocalyptic number.

18589034 is a deficient number, since it is larger than the sum of its proper divisors (9294520).

18589034 is an equidigital number, since it uses as much as digits as its factorization.

18589034 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 9294519.

The product of its (nonzero) digits is 34560, while the sum is 38.

The square root of 18589034 is about 4311.5002029456. The cubic root of 18589034 is about 264.9022257073.

The spelling of 18589034 in words is "eighteen million, five hundred eighty-nine thousand, thirty-four".