2840213 has 8 divisors (see below), whose sum is σ = 2914560. Its totient is φ = 2766960.

The previous prime is 2840209. The next prime is 2840237. The reversal of 2840213 is 3120482.

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 2840213 - 2² = 2840209 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 (2840203) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 7556 + ... + 7922.

It is an arithmetic number, because the mean of its divisors is an integer number (364320).

2^2840213 is an apocalyptic number.

It is an amenable number.

2840213 is a deficient number, since it is larger than the sum of its proper divisors (74347).

2840213 is a wasteful number, since it uses less digits than its factorization.

2840213 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 547.

The product of its (nonzero) digits is 384, while the sum is 20.

The square root of 2840213 is about 1685.2931495737. The cubic root of 2840213 is about 141.6175152826.

Adding to 2840213 its reverse (3120482), we get a palindrome (5960695).

The spelling of 2840213 in words is "two million, eight hundred forty thousand, two hundred thirteen".