2849645 has 8 divisors (see below), whose sum is σ = 3438456. Its totient is φ = 2267136.

The previous prime is 2849633. The next prime is 2849647. The reversal of 2849645 is 5469482.

It can be written as a sum of positive squares in 4 ways, for example, as 346921 + 2502724 = 589^2 + 1582^2 .

It is a sphenic number, since it is the product of 3 distinct primes.

It is a cyclic number.

It is not a de Polignac number, because 2849645 - 2⁸ = 2849389 is a prime.

It is a super-3 number, since 3×2849645³ = 69421426844907033375, which contains 333 as substring.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 2849599 and 2849608.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (2849647) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 512 + ... + 2441.

It is an arithmetic number, because the mean of its divisors is an integer number (429807).

2^2849645 is an apocalyptic number.

It is an amenable number.

2849645 is a deficient number, since it is larger than the sum of its proper divisors (588811).

2849645 is a wasteful number, since it uses less digits than its factorization.

2849645 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 3151.

The product of its digits is 69120, while the sum is 38.

The square root of 2849645 is about 1688.0891564133. The cubic root of 2849645 is about 141.7741068857.

The spelling of 2849645 in words is "two million, eight hundred forty-nine thousand, six hundred forty-five".