2942891 has 24 divisors (see below), whose sum is σ = 3762000. Its totient is φ = 2286144.

The previous prime is 2942881. The next prime is 2942909. The reversal of 2942891 is 1982492.

It is not a de Polignac number, because 2942891 - 2¹⁴ = 2926507 is a prime.

It is not an unprimeable number, because it can be changed into a prime (2942881) by changing a digit.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 26945 + ... + 27053.

It is an arithmetic number, because the mean of its divisors is an integer number (156750).

2^2942891 is an apocalyptic number.

2942891 is a deficient number, since it is larger than the sum of its proper divisors (819109).

2942891 is a wasteful number, since it uses less digits than its factorization.

2942891 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 171 (or 164 counting only the distinct ones).

The product of its digits is 10368, while the sum is 35.

The square root of 2942891 is about 1715.4856455243. The cubic root of 2942891 is about 143.3039162032.

The spelling of 2942891 in words is "two million, nine hundred forty-two thousand, eight hundred ninety-one".