2080991 has 8 divisors (see below), whose sum is σ = 2331984. Its totient is φ = 1840320.

The previous prime is 2080979. The next prime is 2081029. The reversal of 2080991 is 1990802.

2080991 = T₁₀ + T₁₁ + ... + T₂₃₁.

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 2080991 - 2⁶ = 2080927 is a prime.

It is an Ulam number.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (2080921) 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, 2150 + ... + 2963.

It is an arithmetic number, because the mean of its divisors is an integer number (291498).

2^2080991 is an apocalyptic number.

2080991 is a deficient number, since it is larger than the sum of its proper divisors (250993).

2080991 is a wasteful number, since it uses less digits than its factorization.

2080991 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 5161.

The product of its (nonzero) digits is 1296, while the sum is 29.

The square root of 2080991 is about 1442.5640367069. The cubic root of 2080991 is about 127.6703553923.

The spelling of 2080991 in words is "two million, eighty thousand, nine hundred ninety-one".