2628039 has 4 divisors (see below), whose sum is σ = 3504056. Its totient is φ = 1752024.

The previous prime is 2627993. The next prime is 2628053. The reversal of 2628039 is 9308262.

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

It is not a de Polignac number, because 2628039 - 2¹³ = 2619847 is a prime.

It is a D-number.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 2627997 and 2628015.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (2628089) 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, 438004 + ... + 438009.

It is an arithmetic number, because the mean of its divisors is an integer number (876014).

2^2628039 is an apocalyptic number.

2628039 is a deficient number, since it is larger than the sum of its proper divisors (876017).

2628039 is an equidigital number, since it uses as much as digits as its factorization.

2628039 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 876016.

The product of its (nonzero) digits is 5184, while the sum is 30.

The square root of 2628039 is about 1621.1227590778. The cubic root of 2628039 is about 137.9994223878. Note that the first 3 decimals are identical.

The spelling of 2628039 in words is "two million, six hundred twenty-eight thousand, thirty-nine".