2618897 has 6 divisors (see below), whose sum is σ = 2692998. Its totient is φ = 2546784.

The previous prime is 2618893. The next prime is 2618909. The reversal of 2618897 is 7988162.

It can be written as a sum of positive squares in 3 ways, for example, as 1985281 + 633616 = 1409^2 + 796^2 .

It is not a de Polignac number, because 2618897 - 2² = 2618893 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (2618893) by changing a digit.

It is a polite number, since it can be written in 5 ways as a sum of consecutive naturals, for example, 413 + ... + 2325.

It is an arithmetic number, because the mean of its divisors is an integer number (448833).

2^2618897 is an apocalyptic number.

It is an amenable number.

2618897 is a deficient number, since it is larger than the sum of its proper divisors (74101).

2618897 is an equidigital number, since it uses as much as digits as its factorization.

2618897 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1987 (or 1950 counting only the distinct ones).

The product of its digits is 48384, while the sum is 41.

The square root of 2618897 is about 1618.3006519185. The cubic root of 2618897 is about 137.8392197391.

The spelling of 2618897 in words is "two million, six hundred eighteen thousand, eight hundred ninety-seven".