18494414 has 16 divisors (see below), whose sum is σ = 28757376. Its totient is φ = 8911200.

The previous prime is 18494401. The next prime is 18494501. The reversal of 18494414 is 41449481.

It is a congruent number.

It is an unprimeable number.

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 7 ways as a sum of consecutive naturals, for example, 19184 + ... + 20124.

It is an arithmetic number, because the mean of its divisors is an integer number (1797336).

Almost surely, 2^18494414 is an apocalyptic number.

18494414 is a deficient number, since it is larger than the sum of its proper divisors (10262962).

18494414 is a wasteful number, since it uses less digits than its factorization.

18494414 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1291.

The product of its digits is 18432, while the sum is 35.

The square root of 18494414 is about 4300.5132251860. The cubic root of 18494414 is about 264.4520015390.

The spelling of 18494414 in words is "eighteen million, four hundred ninety-four thousand, four hundred fourteen".