2859247 has 8 divisors (see below), whose sum is σ = 3067200. Its totient is φ = 2655744.

The previous prime is 2859229. The next prime is 2859251. The reversal of 2859247 is 7429582.

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 2859247 - 2¹¹ = 2857199 is a prime.

It is a d-powerful number, because it can be written as 2¹¹ + 8⁵ + 5⁷ + 9⁶ + 2²¹ + 4³ + 7⁶ .

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (2859287) by changing a digit.

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 7 ways as a sum of consecutive naturals, for example, 279 + ... + 2407.

It is an arithmetic number, because the mean of its divisors is an integer number (383400).

2^2859247 is an apocalyptic number.

2859247 is a deficient number, since it is larger than the sum of its proper divisors (207953).

2859247 is a wasteful number, since it uses less digits than its factorization.

2859247 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2225.

The product of its digits is 40320, while the sum is 37.

The square root of 2859247 is about 1690.9308087559. The cubic root of 2859247 is about 141.9331663272.

The spelling of 2859247 in words is "two million, eight hundred fifty-nine thousand, two hundred forty-seven".