18950294 has 12 divisors (see below), whose sum is σ = 31244892. Its totient is φ = 8613660.

The previous prime is 18950279. The next prime is 18950297. The reversal of 18950294 is 49205981.

It is a super-2 number, since 2×18950294² = 718227285372872, which contains 22 as substring.

It is a Curzon number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (18950297) by changing a digit.

It is a polite number, since it can be written in 5 ways as a sum of consecutive naturals, for example, 38912 + ... + 39395.

It is an arithmetic number, because the mean of its divisors is an integer number (2603741).

Almost surely, 2^18950294 is an apocalyptic number.

18950294 is a deficient number, since it is larger than the sum of its proper divisors (12294598).

18950294 is a wasteful number, since it uses less digits than its factorization.

18950294 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 78331 (or 78320 counting only the distinct ones).

The product of its (nonzero) digits is 25920, while the sum is 38.

The square root of 18950294 is about 4353.1935403793. The cubic root of 18950294 is about 266.6072676729.

The spelling of 18950294 in words is "eighteen million, nine hundred fifty thousand, two hundred ninety-four".