2864259 has 24 divisors (see below), whose sum is σ = 4391712. Its totient is φ = 1795200.

The previous prime is 2864249. The next prime is 2864261. The reversal of 2864259 is 9524682.

It is a happy number.

2864259 is a `hidden beast` number, since 2 + 8 + 642 + 5 + 9 = 666.

2864259 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is not a de Polignac number, because 2864259 - 2¹⁷ = 2733187 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (2864209) 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 23 ways as a sum of consecutive naturals, for example, 20839 + ... + 20975.

It is an arithmetic number, because the mean of its divisors is an integer number (182988).

2^2864259 is an apocalyptic number.

2864259 is a deficient number, since it is larger than the sum of its proper divisors (1527453).

2864259 is a wasteful number, since it uses less digits than its factorization.

2864259 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 267 (or 264 counting only the distinct ones).

The product of its digits is 34560, while the sum is 36.

The square root of 2864259 is about 1692.4121838370. The cubic root of 2864259 is about 142.0160498952.

The spelling of 2864259 in words is "two million, eight hundred sixty-four thousand, two hundred fifty-nine".