18059392 has 32 divisors (see below), whose sum is σ = 38748780. Its totient is φ = 8334336.

The previous prime is 18059387. The next prime is 18059399. The reversal of 18059392 is 29395081.

It can be written as a sum of positive squares in 2 ways, for example, as 17505856 + 553536 = 4184^2 + 744^2 .

It is a tau number, because it is divible by the number of its divisors (32).

It is a super-2 number, since 2×18059392² = 652283278819328, which contains 22 as substring.

It is not an unprimeable number, because it can be changed into a prime (18059399) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (7) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 3763 + ... + 7090.

Almost surely, 2^18059392 is an apocalyptic number.

It is an amenable number.

18059392 is an abundant number, since it is smaller than the sum of its proper divisors (20689388).

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

18059392 is a wasteful number, since it uses less digits than its factorization.

18059392 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 10880 (or 10868 counting only the distinct ones).

The product of its (nonzero) digits is 19440, while the sum is 37.

The square root of 18059392 is about 4249.6343372107. The cubic root of 18059392 is about 262.3620657040.

The spelling of 18059392 in words is "eighteen million, fifty-nine thousand, three hundred ninety-two".