19094 has 4 divisors (see below), whose sum is σ = 28644.
Its totient is φ = 9546.
The previous prime is 19087. The next prime is 19121. The reversal of 19094 is 49091.
It is a semiprime because it is the product of two primes, and also an emirpimes, since its reverse is a distinct semiprime: 49091 = 7 ⋅7013.
It is an Ulam number.
It is a Curzon number.
It is a plaindrome in base 11 and base 15.
It is a congruent number.
It is an unprimeable number.
It is a pernicious number, because its binary representation contains a prime number (7) of ones.
It is a polite number, since it can be written as a sum of consecutive naturals, namely, 4772 + ... + 4775.
It is an arithmetic number, because the mean of its divisors is an integer number (7161).
219094 is an apocalyptic number.
19094 is a deficient number, since it is larger than the sum of its proper divisors (9550).
19094 is an equidigital number, since it uses as much as digits as its factorization.
19094 is an odious number, because the sum of its binary digits is odd.
The sum of its prime factors is 9549.
The product of its (nonzero) digits is 324, while the sum is 23.
The square root of 19094 is about 138.1810406677.
The cubic root of 19094 is about 26.7279493362.
The spelling of 19094 in words is "nineteen thousand, ninety-four".