2859091 has 8 divisors (see below), whose sum is σ = 2932160. Its totient is φ = 2787048.

The previous prime is 2859071. The next prime is 2859097. The reversal of 2859091 is 1909582.

2859091 = T₂₅₈ + T₂₅₉ + ... + T₃₂₄.

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 2859091 - 2⁹ = 2858579 is a prime.

It is a Duffinian number.

2859091 is a lucky number.

It is not an unprimeable number, because it can be changed into a prime (2859097) 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, 9160 + ... + 9466.

It is an arithmetic number, because the mean of its divisors is an integer number (366520).

2^2859091 is an apocalyptic number.

2859091 is a deficient number, since it is larger than the sum of its proper divisors (73069).

2859091 is a wasteful number, since it uses less digits than its factorization.

2859091 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 513.

The product of its (nonzero) digits is 6480, while the sum is 34.

The square root of 2859091 is about 1690.8846796869. The cubic root of 2859091 is about 141.9305849977.

The spelling of 2859091 in words is "two million, eight hundred fifty-nine thousand, ninety-one".