18010832 has 30 divisors (see below), whose sum is σ = 40595058. Its totient is φ = 7718592.

The previous prime is 18010829. The next prime is 18010877. The reversal of 18010832 is 23801081.

It can be written as a sum of positive squares in only one way, i.e., 15808576 + 2202256 = 3976^2 + 1484^2 .

It is a junction number, because it is equal to n+sod(n) for n = 18010798 and 18010807.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 5 ways as a sum of consecutive naturals, for example, 10703 + ... + 12270.

Almost surely, 2^18010832 is an apocalyptic number.

It is an amenable number.

18010832 is an abundant number, since it is smaller than the sum of its proper divisors (22584226).

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

18010832 is a wasteful number, since it uses less digits than its factorization.

18010832 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 22995 (or 22982 counting only the distinct ones).

The product of its (nonzero) digits is 384, while the sum is 23.

The square root of 18010832 is about 4243.9170585675. The cubic root of 18010832 is about 262.1266990103.

The spelling of 18010832 in words is "eighteen million, ten thousand, eight hundred thirty-two".