2597668 has 12 divisors (see below), whose sum is σ = 4813452. Its totient is φ = 1222400.

The previous prime is 2597663. The next prime is 2597669. The reversal of 2597668 is 8667952.

It can be written as a sum of positive squares in 2 ways, for example, as 1532644 + 1065024 = 1238^2 + 1032^2 .

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (2597663) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 19033 + ... + 19168.

It is an arithmetic number, because the mean of its divisors is an integer number (401121).

2^2597668 is an apocalyptic number.

It is an amenable number.

2597668 is a deficient number, since it is larger than the sum of its proper divisors (2215784).

2597668 is a wasteful number, since it uses less digits than its factorization.

2597668 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 38222 (or 38220 counting only the distinct ones).

The product of its digits is 181440, while the sum is 43.

The square root of 2597668 is about 1611.7282649380. The cubic root of 2597668 is about 137.4657633768.

The spelling of 2597668 in words is "two million, five hundred ninety-seven thousand, six hundred sixty-eight".