2060991 has 8 divisors (see below), whose sum is σ = 3053360. Its totient is φ = 1373976.

The previous prime is 2060977. The next prime is 2061013. The reversal of 2060991 is 1990602.

It is a happy number.

It is not a de Polignac number, because 2060991 - 2¹⁵ = 2028223 is a prime.

It is a Harshad number since it is a multiple of its sum of digits (27), and also a Moran number because the ratio is a prime number: 76333 = 2060991 / (2 + 0 + 6 + 0 + 9 + 9 + 1).

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (2060921) 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, 38140 + ... + 38193.

It is an arithmetic number, because the mean of its divisors is an integer number (381670).

2^2060991 is an apocalyptic number.

2060991 is a deficient number, since it is larger than the sum of its proper divisors (992369).

2060991 is an equidigital number, since it uses as much as digits as its factorization.

2060991 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 76342 (or 76336 counting only the distinct ones).

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

The square root of 2060991 is about 1435.6151991394. The cubic root of 2060991 is about 127.2600330722.

The spelling of 2060991 in words is "two million, sixty thousand, nine hundred ninety-one".