2597679 has 12 divisors (see below), whose sum is σ = 4288336. Its totient is φ = 1484352.

The previous prime is 2597669. The next prime is 2597681. The reversal of 2597679 is 9767952.

It is not a de Polignac number, because 2597679 - 2⁴ = 2597663 is a prime.

It is a Duffinian number.

2597679 is a lucky number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (2597629) 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 11 ways as a sum of consecutive naturals, for example, 20554 + ... + 20679.

2^2597679 is an apocalyptic number.

2597679 is a deficient number, since it is larger than the sum of its proper divisors (1690657).

2597679 is a wasteful number, since it uses less digits than its factorization.

2597679 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 41246 (or 41243 counting only the distinct ones).

The product of its digits is 238140, while the sum is 45.

The square root of 2597679 is about 1611.7316774203. The cubic root of 2597679 is about 137.4659574126.

The spelling of 2597679 in words is "two million, five hundred ninety-seven thousand, six hundred seventy-nine".