191494 has 4 divisors (see below), whose sum is σ = 287244. Its totient is φ = 95746.

The previous prime is 191491. The next prime is 191497. The reversal of 191494 is 494191.

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

It is an interprime number because it is at equal distance from previous prime (191491) and next prime (191497).

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (191491) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 47872 + ... + 47875.

It is an arithmetic number, because the mean of its divisors is an integer number (71811).

2¹⁹¹⁴⁹⁴ is an apocalyptic number.

191494 is a deficient number, since it is larger than the sum of its proper divisors (95750).

191494 is an equidigital number, since it uses as much as digits as its factorization.

191494 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 95749.

The product of its digits is 1296, while the sum is 28.

The square root of 191494 is about 437.6002742229. The cubic root of 191494 is about 57.6392591795.

The spelling of 191494 in words is "one hundred ninety-one thousand, four hundred ninety-four".