2837021 has 8 divisors (see below), whose sum is σ = 3108000. Its totient is φ = 2568240.

The previous prime is 2837017. The next prime is 2837033. The reversal of 2837021 is 1207382.

2837021 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

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 2837021 - 2² = 2837017 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (2837071) 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, 3470 + ... + 4208.

It is an arithmetic number, because the mean of its divisors is an integer number (388500).

2^2837021 is an apocalyptic number.

It is an amenable number.

2837021 is a deficient number, since it is larger than the sum of its proper divisors (270979).

2837021 is a wasteful number, since it uses less digits than its factorization.

2837021 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1099.

The product of its (nonzero) digits is 672, while the sum is 23.

The square root of 2837021 is about 1684.3458670950. The cubic root of 2837021 is about 141.5644426716.

The spelling of 2837021 in words is "two million, eight hundred thirty-seven thousand, twenty-one".