191034 has 12 divisors (see below), whose sum is σ = 413946. Its totient is φ = 63672.

The previous prime is 191033. The next prime is 191039. The reversal of 191034 is 430191.

It can be written as a sum of positive squares in only one way, i.e., 99225 + 91809 = 315^2 + 303^2 .

It is a Harshad number since it is a multiple of its sum of digits (18), and also a Moran number because the ratio is a prime number: 10613 = 191034 / (1 + 9 + 1 + 0 + 3 + 4).

It is a Curzon number.

It is a junction number, because it is equal to n+sod(n) for n = 190998 and 191016.

It is not an unprimeable number, because it can be changed into a prime (191033) by changing a digit.

It is a polite number, since it can be written in 5 ways as a sum of consecutive naturals, for example, 5289 + ... + 5324.

2¹⁹¹⁰³⁴ is an apocalyptic number.

191034 is an abundant number, since it is smaller than the sum of its proper divisors (222912).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

191034 is a wasteful number, since it uses less digits than its factorization.

191034 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 10621 (or 10618 counting only the distinct ones).

The product of its (nonzero) digits is 108, while the sum is 18.

The square root of 191034 is about 437.0743643821. The cubic root of 191034 is about 57.5930691892.

The spelling of 191034 in words is "one hundred ninety-one thousand, thirty-four".