2679917 has 4 divisors (see below), whose sum is σ = 2713920. Its totient is φ = 2645916.

The previous prime is 2679899. The next prime is 2679949. The reversal of 2679917 is 7199762.

It is a happy number.

2679917 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

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, and also an emirpimes, since its reverse is a distinct semiprime: 7199762 = 2 ⋅3599881.

It is a cyclic number.

It is not a de Polignac number, because 2679917 - 2¹² = 2675821 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 (2679967) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 16883 + ... + 17040.

It is an arithmetic number, because the mean of its divisors is an integer number (678480).

2^2679917 is an apocalyptic number.

It is an amenable number.

2679917 is a deficient number, since it is larger than the sum of its proper divisors (34003).

2679917 is an equidigital number, since it uses as much as digits as its factorization.

2679917 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 34002.

The product of its digits is 47628, while the sum is 41.

The square root of 2679917 is about 1637.0452040185. The cubic root of 2679917 is about 138.9015571971.

The spelling of 2679917 in words is "two million, six hundred seventy-nine thousand, nine hundred seventeen".