18090334 has 8 divisors (see below), whose sum is σ = 27236448. Its totient is φ = 9011520.

The previous prime is 18090301. The next prime is 18090341. The reversal of 18090334 is 43309081.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 16147 + ... + 17230.

It is an arithmetic number, because the mean of its divisors is an integer number (3404556).

Almost surely, 2^18090334 is an apocalyptic number.

18090334 is a deficient number, since it is larger than the sum of its proper divisors (9146114).

18090334 is a wasteful number, since it uses less digits than its factorization.

18090334 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 33650.

The product of its (nonzero) digits is 2592, while the sum is 28.

The square root of 18090334 is about 4253.2733276854. The cubic root of 18090334 is about 262.5118192713.

The spelling of 18090334 in words is "eighteen million, ninety thousand, three hundred thirty-four".