18034860 has 24 divisors (see below), whose sum is σ = 50497776. Its totient is φ = 4809280.

The previous prime is 18034847. The next prime is 18034867. The reversal of 18034860 is 6843081.

It is a happy number.

It is a Harshad number since it is a multiple of its sum of digits (30).

It is not an unprimeable number, because it can be changed into a prime (18034867) 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, 150231 + ... + 150350.

It is an arithmetic number, because the mean of its divisors is an integer number (2104074).

Almost surely, 2^18034860 is an apocalyptic number.

18034860 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

18034860 is an abundant number, since it is smaller than the sum of its proper divisors (32462916).

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

18034860 is a wasteful number, since it uses less digits than its factorization.

18034860 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 300593 (or 300591 counting only the distinct ones).

The product of its (nonzero) digits is 4608, while the sum is 30.

The square root of 18034860 is about 4246.7469903445. The cubic root of 18034860 is about 262.2432137376.

The spelling of 18034860 in words is "eighteen million, thirty-four thousand, eight hundred sixty".