18030860 has 24 divisors (see below), whose sum is σ = 37944816. Its totient is φ = 7197120.

The previous prime is 18030853. The next prime is 18030869. The reversal of 18030860 is 6803081.

It is a super-2 number, since 2×18030860² = 650223824679200, which contains 22 as substring.

It is not an unprimeable number, because it can be changed into a prime (18030869) 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, 17150 + ... + 18170.

It is an arithmetic number, because the mean of its divisors is an integer number (1581034).

Almost surely, 2^18030860 is an apocalyptic number.

18030860 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

18030860 is an abundant number, since it is smaller than the sum of its proper divisors (19913956).

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

18030860 is a wasteful number, since it uses less digits than its factorization.

18030860 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1913 (or 1911 counting only the distinct ones).

The product of its (nonzero) digits is 1152, while the sum is 26.

The square root of 18030860 is about 4246.2760155223. The cubic root of 18030860 is about 262.2238244287.

The spelling of 18030860 in words is "eighteen million, thirty thousand, eight hundred sixty".