2858043 has 4 divisors (see below), whose sum is σ = 3810728. Its totient is φ = 1905360.

The previous prime is 2858041. The next prime is 2858059. The reversal of 2858043 is 3408582.

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

It is not a de Polignac number, because 2858043 - 2¹ = 2858041 is a prime.

It is an Ulam number.

It is a D-number.

It is a Duffinian number.

It is a self number, because there is not a number n which added to its sum of digits gives 2858043.

It is not an unprimeable number, because it can be changed into a prime (2858041) 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, 476338 + ... + 476343.

It is an arithmetic number, because the mean of its divisors is an integer number (952682).

2^2858043 is an apocalyptic number.

2858043 is a deficient number, since it is larger than the sum of its proper divisors (952685).

2858043 is an equidigital number, since it uses as much as digits as its factorization.

2858043 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 952684.

The product of its (nonzero) digits is 7680, while the sum is 30.

The square root of 2858043 is about 1690.5747543365. The cubic root of 2858043 is about 141.9132413232.

The spelling of 2858043 in words is "two million, eight hundred fifty-eight thousand, forty-three".