2606997 has 4 divisors (see below), whose sum is σ = 3476000. Its totient is φ = 1737996.

The previous prime is 2606969. The next prime is 2606999. The reversal of 2606997 is 7996062.

It is a semiprime because it is the product of two primes, and also a Blum integer, because the two primes are equal to 3 mod 4.

It is not a de Polignac number, because 2606997 - 2⁸ = 2606741 is a prime.

It is a D-number.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (2606999) 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 3 ways as a sum of consecutive naturals, for example, 434497 + ... + 434502.

It is an arithmetic number, because the mean of its divisors is an integer number (869000).

2^2606997 is an apocalyptic number.

It is an amenable number.

2606997 is a deficient number, since it is larger than the sum of its proper divisors (869003).

2606997 is an equidigital number, since it uses as much as digits as its factorization.

2606997 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 869002.

The product of its (nonzero) digits is 40824, while the sum is 39.

The square root of 2606997 is about 1614.6197694813. The cubic root of 2606997 is about 137.6301269496.

The spelling of 2606997 in words is "two million, six hundred six thousand, nine hundred ninety-seven".