2871958 has 8 divisors (see below), whose sum is σ = 4327128. Its totient is φ = 1429584.

The previous prime is 2871937. The next prime is 2871959. The reversal of 2871958 is 8591782.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a self number, because there is not a number n which added to its sum of digits gives 2871958.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (2871959) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 2616 + ... + 3547.

It is an arithmetic number, because the mean of its divisors is an integer number (540891).

2^2871958 is an apocalyptic number.

2871958 is a deficient number, since it is larger than the sum of its proper divisors (1455170).

2871958 is a wasteful number, since it uses less digits than its factorization.

2871958 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 6398.

The product of its digits is 40320, while the sum is 40.

The square root of 2871958 is about 1694.6852215087. The cubic root of 2871958 is about 142.1431803182.

The spelling of 2871958 in words is "two million, eight hundred seventy-one thousand, nine hundred fifty-eight".