2812293 has 32 divisors (see below), whose sum is σ = 4821120. Its totient is φ = 1601280.

The previous prime is 2812291. The next prime is 2812297. The reversal of 2812293 is 3922182.

It is a happy number.

2812293 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 2812293 - 2¹ = 2812291 is a prime.

It is a Harshad number since it is a multiple of its sum of digits (27).

It is a d-powerful number, because it can be written as 2 + 8⁷ + 1 + 2¹⁷ + 2¹⁹ + 9³ + 3¹⁰ .

It is a Curzon number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (2812291) 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 31 ways as a sum of consecutive naturals, for example, 4771 + ... + 5327.

It is an arithmetic number, because the mean of its divisors is an integer number (150660).

2^2812293 is an apocalyptic number.

It is an amenable number.

2812293 is a deficient number, since it is larger than the sum of its proper divisors (2008827).

2812293 is a wasteful number, since it uses less digits than its factorization.

2812293 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 594 (or 588 counting only the distinct ones).

The product of its digits is 1728, while the sum is 27.

The square root of 2812293 is about 1676.9892665131. The cubic root of 2812293 is about 141.1519412346.

It can be divided in two parts, 28 and 12293, that added together give a palindrome (12321).

The spelling of 2812293 in words is "two million, eight hundred twelve thousand, two hundred ninety-three".