2858943 has 4 divisors (see below), whose sum is σ = 3811928. Its totient is φ = 1905960.

The previous prime is 2858929. The next prime is 2858951. The reversal of 2858943 is 3498582.

It is a happy number.

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

It is not a de Polignac number, because 2858943 - 2⁴ = 2858927 is a prime.

It is a D-number.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (2858903) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 476488 + ... + 476493.

It is an arithmetic number, because the mean of its divisors is an integer number (952982).

2^2858943 is an apocalyptic number.

2858943 is a deficient number, since it is larger than the sum of its proper divisors (952985).

2858943 is an equidigital number, since it uses as much as digits as its factorization.

2858943 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 952984.

The product of its digits is 69120, while the sum is 39.

The square root of 2858943 is about 1690.8409150479. The cubic root of 2858943 is about 141.9281359571.

The spelling of 2858943 in words is "two million, eight hundred fifty-eight thousand, nine hundred forty-three".