18494294 has 32 divisors (see below), whose sum is σ = 34358016. Its totient is φ = 7270560.

The previous prime is 18494279. The next prime is 18494299. The reversal of 18494294 is 49249481.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (18494299) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 55709 + ... + 56039.

It is an arithmetic number, because the mean of its divisors is an integer number (1073688).

Almost surely, 2^18494294 is an apocalyptic number.

18494294 is a gapful number since it is divisible by the number (14) formed by its first and last digit.

18494294 is a deficient number, since it is larger than the sum of its proper divisors (15863722).

18494294 is a wasteful number, since it uses less digits than its factorization.

18494294 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 660.

The product of its digits is 82944, while the sum is 41.

The square root of 18494294 is about 4300.4992733402. The cubic root of 18494294 is about 264.4514295769.

The spelling of 18494294 in words is "eighteen million, four hundred ninety-four thousand, two hundred ninety-four".