18090014 has 16 divisors (see below), whose sum is σ = 29230080. Its totient is φ = 8368920.

The previous prime is 18090001. The next prime is 18090031. The reversal of 18090014 is 41009081.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 3902 + ... + 7169.

It is an arithmetic number, because the mean of its divisors is an integer number (1826880).

Almost surely, 2^18090014 is an apocalyptic number.

18090014 is a deficient number, since it is larger than the sum of its proper divisors (11140066).

18090014 is a wasteful number, since it uses less digits than its factorization.

18090014 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 11135.

The product of its (nonzero) digits is 288, while the sum is 23.

The square root of 18090014 is about 4253.2357094335. The cubic root of 18090014 is about 262.5102714046.

Adding to 18090014 its reverse (41009081), we get a palindrome (59099095).

The spelling of 18090014 in words is "eighteen million, ninety thousand, fourteen".