2600091 has 24 divisors (see below), whose sum is σ = 4114656. Its totient is φ = 1572480.

The previous prime is 2600089. The next prime is 2600113. The reversal of 2600091 is 1900062.

It is not a de Polignac number, because 2600091 - 2¹ = 2600089 is a prime.

It is not an unprimeable number, because it can be changed into a prime (2600011) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 8151 + ... + 8463.

It is an arithmetic number, because the mean of its divisors is an integer number (171444).

2^2600091 is an apocalyptic number.

2600091 is a deficient number, since it is larger than the sum of its proper divisors (1514565).

2600091 is a wasteful number, since it uses less digits than its factorization.

2600091 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 403 (or 400 counting only the distinct ones).

The product of its (nonzero) digits is 108, while the sum is 18.

The square root of 2600091 is about 1612.4797673149. The cubic root of 2600091 is about 137.5084909357.

The spelling of 2600091 in words is "two million, six hundred thousand, ninety-one".