18294049 has 4 divisors (see below), whose sum is σ = 18719536. Its totient is φ = 17868564.

The previous prime is 18294047. The next prime is 18294053. The reversal of 18294049 is 94049281.

It is a happy number.

It is a semiprime because it is the product of two primes, and also a Blum integer, because the two primes are equal to 3 mod 4, and also an emirpimes, since its reverse is a distinct semiprime: 94049281 = 101 ⋅931181.

It is not a de Polignac number, because 18294049 - 2¹ = 18294047 is a prime.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 18293999 and 18294017.

It is not an unprimeable number, because it can be changed into a prime (18294047) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 212679 + ... + 212764.

It is an arithmetic number, because the mean of its divisors is an integer number (4679884).

Almost surely, 2^18294049 is an apocalyptic number.

It is an amenable number.

18294049 is a deficient number, since it is larger than the sum of its proper divisors (425487).

18294049 is an equidigital number, since it uses as much as digits as its factorization.

18294049 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 425486.

The product of its (nonzero) digits is 20736, while the sum is 37.

The square root of 18294049 is about 4277.1543109876. The cubic root of 18294049 is about 263.4935241037.

The spelling of 18294049 in words is "eighteen million, two hundred ninety-four thousand, forty-nine".