2823645 has 32 divisors (see below), whose sum is σ = 5005440. Its totient is φ = 1347840.

The previous prime is 2823637. The next prime is 2823661. The reversal of 2823645 is 5463282.

It is not a de Polignac number, because 2823645 - 2³ = 2823637 is a prime.

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 17907 + ... + 18063.

It is an arithmetic number, because the mean of its divisors is an integer number (156420).

2^2823645 is an apocalyptic number.

It is an amenable number.

2823645 is a deficient number, since it is larger than the sum of its proper divisors (2181795).

2823645 is a wasteful number, since it uses less digits than its factorization.

2823645 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 285.

The product of its digits is 11520, while the sum is 30.

The square root of 2823645 is about 1680.3704948612. The cubic root of 2823645 is about 141.3416091976.

The spelling of 2823645 in words is "two million, eight hundred twenty-three thousand, six hundred forty-five".