18894094 has 32 divisors (see below), whose sum is σ = 31104000. Its totient is φ = 8578080.

The previous prime is 18894091. The next prime is 18894133. The reversal of 18894094 is 49049881.

It is a self number, because there is not a number n which added to its sum of digits gives 18894094.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (18894091) 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, 126732 + ... + 126880.

It is an arithmetic number, because the mean of its divisors is an integer number (972000).

Almost surely, 2^18894094 is an apocalyptic number.

18894094 is a deficient number, since it is larger than the sum of its proper divisors (12209906).

18894094 is a wasteful number, since it uses less digits than its factorization.

18894094 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 288.

The product of its (nonzero) digits is 82944, while the sum is 43.

The square root of 18894094 is about 4346.7337162518. The cubic root of 18894094 is about 266.3434518066.

The spelling of 18894094 in words is "eighteen million, eight hundred ninety-four thousand, ninety-four".