2606090 has 8 divisors (see below), whose sum is σ = 4690980. Its totient is φ = 1042432.

The previous prime is 2606069. The next prime is 2606129. The reversal of 2606090 is 906062.

It can be written as a sum of positive squares in 2 ways, for example, as 2569609 + 36481 = 1603^2 + 191^2 .

It is a sphenic number, since it is the product of 3 distinct primes.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 130295 + ... + 130314.

2^2606090 is an apocalyptic number.

2606090 is a deficient number, since it is larger than the sum of its proper divisors (2084890).

2606090 is a wasteful number, since it uses less digits than its factorization.

2606090 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 260616.

The product of its (nonzero) digits is 648, while the sum is 23.

The square root of 2606090 is about 1614.3388739667. The cubic root of 2606090 is about 137.6141641382.

The spelling of 2606090 in words is "two million, six hundred six thousand, ninety".