2628705 has 16 divisors (see below), whose sum is σ = 4351680. Its totient is φ = 1353408.

The previous prime is 2628697. The next prime is 2628709. The reversal of 2628705 is 5078262.

It is not a de Polignac number, because 2628705 - 2³ = 2628697 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (2628709) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 2587 + ... + 3456.

It is an arithmetic number, because the mean of its divisors is an integer number (271980).

2^2628705 is an apocalyptic number.

It is an amenable number.

2628705 is a deficient number, since it is larger than the sum of its proper divisors (1722975).

2628705 is a wasteful number, since it uses less digits than its factorization.

2628705 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 6080.

The product of its (nonzero) digits is 6720, while the sum is 30.

The square root of 2628705 is about 1621.3281592571. The cubic root of 2628705 is about 138.0110787157.

It can be divided in two parts, 2628 and 705, that added together give a palindrome (3333).

The spelling of 2628705 in words is "two million, six hundred twenty-eight thousand, seven hundred five".