2942873 has 4 divisors (see below), whose sum is σ = 3070848. Its totient is φ = 2814900.

The previous prime is 2942843. The next prime is 2942881. The reversal of 2942873 is 3782492.

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 a cyclic number.

It is not a de Polignac number, because 2942873 - 2⁶ = 2942809 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (2942843) 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, 63953 + ... + 63998.

It is an arithmetic number, because the mean of its divisors is an integer number (767712).

2^2942873 is an apocalyptic number.

2942873 is a gapful number since it is divisible by the number (23) formed by its first and last digit.

It is an amenable number.

2942873 is a deficient number, since it is larger than the sum of its proper divisors (127975).

2942873 is a wasteful number, since it uses less digits than its factorization.

2942873 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 127974.

The product of its digits is 24192, while the sum is 35.

The square root of 2942873 is about 1715.4803991885. The cubic root of 2942873 is about 143.3036240329.

The spelling of 2942873 in words is "two million, nine hundred forty-two thousand, eight hundred seventy-three".