2799645 has 16 divisors (see below), whose sum is σ = 4743360. Its totient is φ = 1405184.

The previous prime is 2799637. The next prime is 2799647. The reversal of 2799645 is 5469972.

2799645 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a cyclic number.

It is not a de Polignac number, because 2799645 - 2³ = 2799637 is a prime.

It is a Smith number, since the sum of its digits (42) coincides with the sum of the digits of its prime factors. Since it is squarefree, it is also a hoax number.

It is a junction number, because it is equal to n+sod(n) for n = 2799597 and 2799606.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (2799647) 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 15 ways as a sum of consecutive naturals, for example, 5235 + ... + 5744.

It is an arithmetic number, because the mean of its divisors is an integer number (296460).

2^2799645 is an apocalyptic number.

It is an amenable number.

2799645 is a deficient number, since it is larger than the sum of its proper divisors (1943715).

2799645 is a wasteful number, since it uses less digits than its factorization.

2799645 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 11004.

The product of its digits is 136080, while the sum is 42.

The square root of 2799645 is about 1673.2139731666. The cubic root of 2799645 is about 140.9400177442.

The spelling of 2799645 in words is "two million, seven hundred ninety-nine thousand, six hundred forty-five".