3611091 has 16 divisors (see below), whose sum is σ = 5328000. Its totient is φ = 2157120.

The previous prime is 3611071. The next prime is 3611093. The reversal of 3611091 is 1901163.

It is a happy number.

It is not a de Polignac number, because 3611091 - 2⁵ = 3611059 is a prime.

It is not an unprimeable number, because it can be changed into a prime (3611093) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 1660 + ... + 3158.

It is an arithmetic number, because the mean of its divisors is an integer number (333000).

Almost surely, 2^3611091 is an apocalyptic number.

3611091 is a deficient number, since it is larger than the sum of its proper divisors (1716909).

3611091 is a wasteful number, since it uses less digits than its factorization.

3611091 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1586.

The product of its (nonzero) digits is 162, while the sum is 21.

The square root of 3611091 is about 1900.2870835745. The cubic root of 3611091 is about 153.4191165654.

The spelling of 3611091 in words is "three million, six hundred eleven thousand, ninety-one".