18034308 has 18 divisors (see below), whose sum is σ = 45586814. Its totient is φ = 6011424.

The previous prime is 18034307. The next prime is 18034309. The reversal of 18034308 is 80343081.

It is an interprime number because it is at equal distance from previous prime (18034307) and next prime (18034309).

It can be written as a sum of positive squares in only one way, i.e., 10969344 + 7064964 = 3312^2 + 2658^2 .

It is a tau number, because it is divible by the number of its divisors (18).

It is a hoax number, since the sum of its digits (27) coincides with the sum of the digits of its distinct prime factors.

It is not an unprimeable number, because it can be changed into a prime (18034307) by changing a digit.

It is a polite number, since it can be written in 5 ways as a sum of consecutive naturals, for example, 250441 + ... + 250512.

Almost surely, 2^18034308 is an apocalyptic number.

18034308 is a gapful number since it is divisible by the number (18) formed by its first and last digit.

It is an amenable number.

18034308 is an abundant number, since it is smaller than the sum of its proper divisors (27552506).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

18034308 is a wasteful number, since it uses less digits than its factorization.

18034308 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 500963 (or 500958 counting only the distinct ones).

The product of its (nonzero) digits is 2304, while the sum is 27.

The square root of 18034308 is about 4246.6819989257. The cubic root of 18034308 is about 262.2405381835.

Adding to 18034308 its reverse (80343081), we get a palindrome (98377389).

The spelling of 18034308 in words is "eighteen million, thirty-four thousand, three hundred eight".