2861158 has 8 divisors (see below), whose sum is σ = 4352400. Its totient is φ = 1410360.

The previous prime is 2861147. The next prime is 2861161. The reversal of 2861158 is 8511682.

2861158 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

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

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 9933 + ... + 10216.

It is an arithmetic number, because the mean of its divisors is an integer number (544050).

2^2861158 is an apocalyptic number.

2861158 is a deficient number, since it is larger than the sum of its proper divisors (1491242).

2861158 is a wasteful number, since it uses less digits than its factorization.

2861158 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 20222.

The product of its digits is 3840, while the sum is 31.

The square root of 2861158 is about 1691.4957877571. The cubic root of 2861158 is about 141.9647799976.

It can be divided in two parts, 286 and 1158, that added together give a square (1444 = 38²).

The spelling of 2861158 in words is "two million, eight hundred sixty-one thousand, one hundred fifty-eight".