18028960 has 48 divisors (see below), whose sum is σ = 42851592. Its totient is φ = 7168000.

The previous prime is 18028951. The next prime is 18028973. The reversal of 18028960 is 6982081.

It can be written as a sum of positive squares in 4 ways, for example, as 18011536 + 17424 = 4244^2 + 132^2 .

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 44760 + ... + 45160.

Almost surely, 2^18028960 is an apocalyptic number.

18028960 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 18028960, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (21425796).

18028960 is an abundant number, since it is smaller than the sum of its proper divisors (24822632).

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

18028960 is a wasteful number, since it uses less digits than its factorization.

18028960 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 697 (or 689 counting only the distinct ones).

The product of its (nonzero) digits is 6912, while the sum is 34.

The square root of 18028960 is about 4246.0522841812. The cubic root of 18028960 is about 262.2146135024.

The spelling of 18028960 in words is "eighteen million, twenty-eight thousand, nine hundred sixty".