2639027 has 4 divisors (see below), whose sum is σ = 2656656. Its totient is φ = 2621400.

The previous prime is 2638973. The next prime is 2639041. The reversal of 2639027 is 7209362.

It is a semiprime because it is the product of two primes, and also an emirpimes, since its reverse is a distinct semiprime: 7209362 = 2 ⋅3604681.

It is a cyclic number.

It is not a de Polignac number, because 2639027 - 2⁸ = 2638771 is a prime.

It is a d-powerful number, because it can be written as 2¹³ + 6 + 3⁷ + 9⁶ + 0 + 2²¹ + 7² .

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (2639827) 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, 8588 + ... + 8889.

It is an arithmetic number, because the mean of its divisors is an integer number (664164).

2^2639027 is an apocalyptic number.

2639027 is a deficient number, since it is larger than the sum of its proper divisors (17629).

2639027 is a wasteful number, since it uses less digits than its factorization.

2639027 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 17628.

The product of its (nonzero) digits is 4536, while the sum is 29.

The square root of 2639027 is about 1624.5082332817. The cubic root of 2639027 is about 138.1914831153.

The spelling of 2639027 in words is "two million, six hundred thirty-nine thousand, twenty-seven".