2036191 has 4 divisors (see below), whose sum is σ = 2052352. Its totient is φ = 2020032.

The previous prime is 2036171. The next prime is 2036201. The reversal of 2036191 is 1916302.

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

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-2036191 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (2036131) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 7890 + ... + 8143.

It is an arithmetic number, because the mean of its divisors is an integer number (513088).

2^2036191 is an apocalyptic number.

2036191 is a deficient number, since it is larger than the sum of its proper divisors (16161).

2036191 is a wasteful number, since it uses less digits than its factorization.

2036191 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 16160.

The product of its (nonzero) digits is 324, while the sum is 22.

The square root of 2036191 is about 1426.9516459923. The cubic root of 2036191 is about 126.7475299299.

The spelling of 2036191 in words is "two million, thirty-six thousand, one hundred ninety-one".