18080294 has 8 divisors (see below), whose sum is σ = 27199200. Its totient is φ = 9013896.

The previous prime is 18080273. The next prime is 18080327. The reversal of 18080294 is 49208081.

It is a happy number.

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

It is a super-2 number, since 2×18080294² = 653794062252872, which contains 22 as substring.

It is a self number, because there is not a number n which added to its sum of digits gives 18080294.

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 12254 + ... + 13649.

It is an arithmetic number, because the mean of its divisors is an integer number (3399900).

Almost surely, 2^18080294 is an apocalyptic number.

18080294 is a deficient number, since it is larger than the sum of its proper divisors (9118906).

18080294 is a wasteful number, since it uses less digits than its factorization.

18080294 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 26254.

The product of its (nonzero) digits is 4608, while the sum is 32.

The square root of 18080294 is about 4252.0928964452. The cubic root of 18080294 is about 262.4632462525.

The spelling of 18080294 in words is "eighteen million, eighty thousand, two hundred ninety-four".