2858245 has 8 divisors (see below), whose sum is σ = 3693816. Its totient is φ = 2110656.

The previous prime is 2858243. The next prime is 2858249. The reversal of 2858245 is 5428582.

2858245 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It can be written as a sum of positive squares in 4 ways, for example, as 39204 + 2819041 = 198^2 + 1679^2 .

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 2858245 - 2¹ = 2858243 is a prime.

It is a Duffinian number.

It is a self number, because there is not a number n which added to its sum of digits gives 2858245.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (2858243) 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 7 ways as a sum of consecutive naturals, for example, 21922 + ... + 22051.

It is an arithmetic number, because the mean of its divisors is an integer number (461727).

2^2858245 is an apocalyptic number.

It is an amenable number.

2858245 is a deficient number, since it is larger than the sum of its proper divisors (835571).

2858245 is a wasteful number, since it uses less digits than its factorization.

2858245 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 43991.

The product of its digits is 25600, while the sum is 34.

The square root of 2858245 is about 1690.6344962765. The cubic root of 2858245 is about 141.9165846131.

The spelling of 2858245 in words is "two million, eight hundred fifty-eight thousand, two hundred forty-five".