4091193 has 6 divisors (see below), whose sum is σ = 5909514. Its totient is φ = 2727456.

The previous prime is 4091177. The next prime is 4091239. The reversal of 4091193 is 3911904.

4091193 is nontrivially palindromic in base 8.

It can be written as a sum of positive squares in only one way, i.e., 2585664 + 1505529 = 1608^2 + 1227^2 .

It is not a de Polignac number, because 4091193 - 2⁴ = 4091177 is a prime.

It is a Curzon number.

4091193 is a lucky number.

It is not an unprimeable number, because it can be changed into a prime (4091293) 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, 227280 + ... + 227297.

It is an arithmetic number, because the mean of its divisors is an integer number (984919).

Almost surely, 2^4091193 is an apocalyptic number.

It is an amenable number.

4091193 is a deficient number, since it is larger than the sum of its proper divisors (1818321).

4091193 is a wasteful number, since it uses less digits than its factorization.

4091193 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 454583 (or 454580 counting only the distinct ones).

The product of its (nonzero) digits is 972, while the sum is 27.

The square root of 4091193 is about 2022.6697703778. The cubic root of 4091193 is about 159.9373843529.

The spelling of 4091193 in words is "four million, ninety-one thousand, one hundred ninety-three".