2086291 has 6 divisors (see below), whose sum is σ = 2216540. Its totient is φ = 1963296.

The previous prime is 2086277. The next prime is 2086303. The reversal of 2086291 is 1926802.

It is a happy number.

It is not a de Polignac number, because 2086291 - 2⁹ = 2085779 is a prime.

It is a super-2 number, since 2×2086291² = 8705220273362, which contains 22 as substring.

It is a Duffinian number.

2086291 is a lucky number.

It is not an unprimeable number, because it can be changed into a prime (2086211) by changing a digit.

It is a polite number, since it can be written in 5 ways as a sum of consecutive naturals, for example, 3321 + ... + 3898.

2^2086291 is an apocalyptic number.

2086291 is a deficient number, since it is larger than the sum of its proper divisors (130249).

2086291 is an equidigital number, since it uses as much as digits as its factorization.

2086291 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 7253 (or 7236 counting only the distinct ones).

The product of its (nonzero) digits is 1728, while the sum is 28.

The square root of 2086291 is about 1444.3998753808. The cubic root of 2086291 is about 127.7786498295.

The spelling of 2086291 in words is "two million, eighty-six thousand, two hundred ninety-one".