2041691 has 8 divisors (see below), whose sum is σ = 2141184. Its totient is φ = 1944360.

The previous prime is 2041681. The next prime is 2041693. The reversal of 2041691 is 1961402.

It is a happy number.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a cyclic number.

It is not a de Polignac number, because 2041691 - 2¹⁴ = 2025307 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (2041693) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 1586 + ... + 2568.

It is an arithmetic number, because the mean of its divisors is an integer number (267648).

2^2041691 is an apocalyptic number.

2041691 is a deficient number, since it is larger than the sum of its proper divisors (99493).

2041691 is an equidigital number, since it uses as much as digits as its factorization.

2041691 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1081.

The product of its (nonzero) digits is 432, while the sum is 23.

The square root of 2041691 is about 1428.8775314911. The cubic root of 2041691 is about 126.8615475072.

The spelling of 2041691 in words is "two million, forty-one thousand, six hundred ninety-one".