18295994 has 12 divisors (see below), whose sum is σ = 28690746. Its totient is φ = 8749752.

The previous prime is 18295987. The next prime is 18295999. The reversal of 18295994 is 49959281.

It can be written as a sum of positive squares in only one way, i.e., 18105025 + 190969 = 4255^2 + 437^2 .

It is not an unprimeable number, because it can be changed into a prime (18295999) 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 5 ways as a sum of consecutive naturals, for example, 7589 + ... + 9704.

Almost surely, 2^18295994 is an apocalyptic number.

18295994 is a deficient number, since it is larger than the sum of its proper divisors (10394752).

18295994 is a wasteful number, since it uses less digits than its factorization.

18295994 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 17341 (or 17318 counting only the distinct ones).

The product of its digits is 233280, while the sum is 47.

The square root of 18295994 is about 4277.3816757451. The cubic root of 18295994 is about 263.5028618715.

The spelling of 18295994 in words is "eighteen million, two hundred ninety-five thousand, nine hundred ninety-four".