2941391 has 4 divisors (see below), whose sum is σ = 3114432. Its totient is φ = 2768352.

The previous prime is 2941387. The next prime is 2941397. The reversal of 2941391 is 1931492.

It is a happy number.

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

It is a cyclic number.

It is not a de Polignac number, because 2941391 - 2² = 2941387 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 (2941397) 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, 86495 + ... + 86528.

It is an arithmetic number, because the mean of its divisors is an integer number (778608).

2^2941391 is an apocalyptic number.

2941391 is a deficient number, since it is larger than the sum of its proper divisors (173041).

2941391 is a wasteful number, since it uses less digits than its factorization.

2941391 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 173040.

The product of its digits is 1944, while the sum is 29.

The square root of 2941391 is about 1715.0483958186. The cubic root of 2941391 is about 143.2795645927.

The spelling of 2941391 in words is "two million, nine hundred forty-one thousand, three hundred ninety-one".