18941294 has 4 divisors (see below), whose sum is σ = 28411944. Its totient is φ = 9470646.

The previous prime is 18941231. The next prime is 18941311. The reversal of 18941294 is 49214981.

It is a semiprime because it is the product of two primes.

It is an alternating number because its digits alternate between odd and even.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 4735322 + ... + 4735325.

It is an arithmetic number, because the mean of its divisors is an integer number (7102986).

Almost surely, 2^18941294 is an apocalyptic number.

18941294 is a deficient number, since it is larger than the sum of its proper divisors (9470650).

18941294 is an equidigital number, since it uses as much as digits as its factorization.

18941294 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 9470649.

The product of its digits is 20736, while the sum is 38.

The square root of 18941294 is about 4352.1596937612. The cubic root of 18941294 is about 266.5650546890.

The spelling of 18941294 in words is "eighteen million, nine hundred forty-one thousand, two hundred ninety-four".