2806733 has 4 divisors (see below), whose sum is σ = 2811900. Its totient is φ = 2801568.

The previous prime is 2806711. The next prime is 2806757. The reversal of 2806733 is 3376082.

It is a semiprime because it is the product of two primes, and also an emirpimes, since its reverse is a distinct semiprime: 3376082 = 2 ⋅1688041.

It can be written as a sum of positive squares in 2 ways, for example, as 896809 + 1909924 = 947^2 + 1382^2 .

It is a cyclic number.

It is not a de Polignac number, because 2806733 - 2¹⁰ = 2805709 is a prime.

It is a d-powerful number, because it can be written as 2¹⁹ + 8⁷ + 0 + 6⁵ + 7³ + 3³ + 3¹¹ .

It is a Duffinian number.

It is a Curzon number.

It is a junction number, because it is equal to n+sod(n) for n = 2806696 and 2806705.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (2806333) 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 3 ways as a sum of consecutive naturals, for example, 1658 + ... + 2891.

It is an arithmetic number, because the mean of its divisors is an integer number (702975).

2^2806733 is an apocalyptic number.

It is an amenable number.

2806733 is a deficient number, since it is larger than the sum of its proper divisors (5167).

2806733 is an equidigital number, since it uses as much as digits as its factorization.

2806733 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 5166.

The product of its (nonzero) digits is 6048, while the sum is 29.

The square root of 2806733 is about 1675.3307136204. The cubic root of 2806733 is about 141.0588591177.

The spelling of 2806733 in words is "two million, eight hundred six thousand, seven hundred thirty-three".