18079365 has 16 divisors (see below), whose sum is σ = 29098368. Its totient is φ = 9585216.

The previous prime is 18079361. The next prime is 18079367. The reversal of 18079365 is 56397081.

It is not a de Polignac number, because 18079365 - 2² = 18079361 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (18079361) 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 in 15 ways as a sum of consecutive naturals, for example, 889 + ... + 6078.

It is an arithmetic number, because the mean of its divisors is an integer number (1818648).

Almost surely, 2^18079365 is an apocalyptic number.

18079365 is a gapful number since it is divisible by the number (15) formed by its first and last digit.

It is an amenable number.

18079365 is a deficient number, since it is larger than the sum of its proper divisors (11019003).

18079365 is a wasteful number, since it uses less digits than its factorization.

18079365 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 7148.

The product of its (nonzero) digits is 45360, while the sum is 39.

The square root of 18079365 is about 4251.9836547193. The cubic root of 18079365 is about 262.4587508881.

The spelling of 18079365 in words is "eighteen million, seventy-nine thousand, three hundred sixty-five".