18059038 has 4 divisors (see below), whose sum is σ = 27088560. Its totient is φ = 9029518.

The previous prime is 18059033. The next prime is 18059039. The reversal of 18059038 is 83095081.

It is a semiprime because it is the product of two primes, and also an emirpimes, since its reverse is a distinct semiprime: 83095081 = 37 ⋅2245813.

It is a super-2 number, since 2×18059038² = 652257706970888, which contains 22 as substring.

It is a junction number, because it is equal to n+sod(n) for n = 18058994 and 18059012.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (18059033) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 4514758 + ... + 4514761.

It is an arithmetic number, because the mean of its divisors is an integer number (6772140).

Almost surely, 2^18059038 is an apocalyptic number.

18059038 is a deficient number, since it is larger than the sum of its proper divisors (9029522).

18059038 is an equidigital number, since it uses as much as digits as its factorization.

18059038 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 9029521.

The product of its (nonzero) digits is 8640, while the sum is 34.

The square root of 18059038 is about 4249.5926863642. The cubic root of 18059038 is about 262.3603514201.

The spelling of 18059038 in words is "eighteen million, fifty-nine thousand, thirty-eight".