2917143 has 12 divisors (see below), whose sum is σ = 4238208. Its totient is φ = 1933440.

The previous prime is 2917129. The next prime is 2917147. The reversal of 2917143 is 3417192.

It is not a de Polignac number, because 2917143 - 2¹⁰ = 2916119 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (2917147) by changing a digit.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 871 + ... + 2567.

It is an arithmetic number, because the mean of its divisors is an integer number (353184).

2^2917143 is an apocalyptic number.

2917143 is a deficient number, since it is larger than the sum of its proper divisors (1321065).

2917143 is a wasteful number, since it uses less digits than its factorization.

2917143 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1894 (or 1891 counting only the distinct ones).

The product of its digits is 1512, while the sum is 27.

The square root of 2917143 is about 1707.9645780870. The cubic root of 2917143 is about 142.8847588992.

The spelling of 2917143 in words is "two million, nine hundred seventeen thousand, one hundred forty-three".