18059937 has 16 divisors (see below), whose sum is σ = 28968960. Its totient is φ = 9776592.

The previous prime is 18059929. The next prime is 18059963. The reversal of 18059937 is 73995081.

It is a happy number.

It is not a de Polignac number, because 18059937 - 2³ = 18059929 is a prime.

It is a super-2 number, since 2×18059937² = 652322648887938, which contains 22 as substring.

It is not an unprimeable number, because it can be changed into a prime (18059137) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 22233 + ... + 23030.

It is an arithmetic number, because the mean of its divisors is an integer number (1810560).

Almost surely, 2^18059937 is an apocalyptic number.

It is an amenable number.

18059937 is a deficient number, since it is larger than the sum of its proper divisors (10909023).

18059937 is a wasteful number, since it uses less digits than its factorization.

18059937 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 45292.

The product of its (nonzero) digits is 68040, while the sum is 42.

The square root of 18059937 is about 4249.6984598910. The cubic root of 18059937 is about 262.3647048827.

The spelling of 18059937 in words is "eighteen million, fifty-nine thousand, nine hundred thirty-seven".