2940213 has 4 divisors (see below), whose sum is σ = 3920288. Its totient is φ = 1960140.

The previous prime is 2940187. The next prime is 2940229. The reversal of 2940213 is 3120492.

It is a semiprime because it is the product of two primes, and also a Blum integer, because the two primes are equal to 3 mod 4.

It is not a de Polignac number, because 2940213 - 2⁸ = 2939957 is a prime.

It is a D-number.

It is a Duffinian number.

2940213 is a lucky number.

It is a self number, because there is not a number n which added to its sum of digits gives 2940213.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (2940263) 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, 490033 + ... + 490038.

It is an arithmetic number, because the mean of its divisors is an integer number (980072).

2^2940213 is an apocalyptic number.

It is an amenable number.

2940213 is a deficient number, since it is larger than the sum of its proper divisors (980075).

2940213 is an equidigital number, since it uses as much as digits as its factorization.

2940213 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 980074.

The product of its (nonzero) digits is 432, while the sum is 21.

The square root of 2940213 is about 1714.7049308846. The cubic root of 2940213 is about 143.2604346568.

The spelling of 2940213 in words is "two million, nine hundred forty thousand, two hundred thirteen".