2678117 has 4 divisors (see below), whose sum is σ = 2884140. Its totient is φ = 2472096.

The previous prime is 2678111. The next prime is 2678119. The reversal of 2678117 is 7118762.

It is a semiprime because it is the product of two primes.

It can be written as a sum of positive squares in 2 ways, for example, as 564001 + 2114116 = 751^2 + 1454^2 .

It is a cyclic number.

It is not a de Polignac number, because 2678117 - 2⁴ = 2678101 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (2678111) 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, 102992 + ... + 103017.

It is an arithmetic number, because the mean of its divisors is an integer number (721035).

2^2678117 is an apocalyptic number.

It is an amenable number.

2678117 is a deficient number, since it is larger than the sum of its proper divisors (206023).

2678117 is a wasteful number, since it uses less digits than its factorization.

2678117 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 206022.

The product of its digits is 4704, while the sum is 32.

The square root of 2678117 is about 1636.4953406594. The cubic root of 2678117 is about 138.8704519053.

The spelling of 2678117 in words is "two million, six hundred seventy-eight thousand, one hundred seventeen".