2862091 has 4 divisors (see below), whose sum is σ = 2898400. Its totient is φ = 2825784.

The previous prime is 2862077. The next prime is 2862109. The reversal of 2862091 is 1902682.

It is a happy number.

2862091 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a semiprime because it is the product of two primes, and also an emirpimes, since its reverse is a distinct semiprime: 1902682 = 2 ⋅951341.

It is a cyclic number.

It is not a de Polignac number, because 2862091 - 2¹¹ = 2860043 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (2862011) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 18036 + ... + 18193.

It is an arithmetic number, because the mean of its divisors is an integer number (724600).

2^2862091 is an apocalyptic number.

2862091 is a deficient number, since it is larger than the sum of its proper divisors (36309).

2862091 is an equidigital number, since it uses as much as digits as its factorization.

2862091 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 36308.

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

The square root of 2862091 is about 1691.7715566825. The cubic root of 2862091 is about 141.9802095014.

The spelling of 2862091 in words is "two million, eight hundred sixty-two thousand, ninety-one".