2943219 has 4 divisors (see below), whose sum is σ = 3924296. Its totient is φ = 1962144.

The previous prime is 2943217. The next prime is 2943223. The reversal of 2943219 is 9123492.

It is a semiprime because it is the product of two primes.

It is not a de Polignac number, because 2943219 - 2¹ = 2943217 is a prime.

It is a super-2 number, since 2×2943219² = 17325076163922, which contains 22 as substring.

It is a D-number.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (2943217) 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, 490534 + ... + 490539.

It is an arithmetic number, because the mean of its divisors is an integer number (981074).

2^2943219 is an apocalyptic number.

2943219 is a deficient number, since it is larger than the sum of its proper divisors (981077).

2943219 is an equidigital number, since it uses as much as digits as its factorization.

2943219 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 981076.

The product of its digits is 3888, while the sum is 30.

The square root of 2943219 is about 1715.5812426114. The cubic root of 2943219 is about 143.3092399861.

The spelling of 2943219 in words is "two million, nine hundred forty-three thousand, two hundred nineteen".