2639017 has 4 divisors (see below), whose sum is σ = 2645136. Its totient is φ = 2632900.

The previous prime is 2638973. The next prime is 2639041. The reversal of 2639017 is 7109362.

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.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-2639017 is a prime.

It is an Ulam number.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (2637017) 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, 2359 + ... + 3292.

It is an arithmetic number, because the mean of its divisors is an integer number (661284).

2^2639017 is an apocalyptic number.

It is an amenable number.

2639017 is a deficient number, since it is larger than the sum of its proper divisors (6119).

2639017 is an equidigital number, since it uses as much as digits as its factorization.

2639017 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 6118.

The product of its (nonzero) digits is 2268, while the sum is 28.

The square root of 2639017 is about 1624.5051554243. The cubic root of 2639017 is about 138.1913085666.

The spelling of 2639017 in words is "two million, six hundred thirty-nine thousand, seventeen".