2840158 has 16 divisors (see below), whose sum is σ = 4631040. Its totient is φ = 1301400.

The previous prime is 2840119. The next prime is 2840161. The reversal of 2840158 is 8510482.

It is a congruent number.

It is an unprimeable number.

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 7 ways as a sum of consecutive naturals, for example, 28 + ... + 2383.

It is an arithmetic number, because the mean of its divisors is an integer number (289440).

2^2840158 is an apocalyptic number.

2840158 is a deficient number, since it is larger than the sum of its proper divisors (1790882).

2840158 is a wasteful number, since it uses less digits than its factorization.

2840158 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2463.

The product of its (nonzero) digits is 2560, while the sum is 28.

The square root of 2840158 is about 1685.2768318588. The cubic root of 2840158 is about 141.6166011477.

It can be divided in two parts, 28 and 40158, that added together give a triangular number (40186 = T₂₈₃).

The spelling of 2840158 in words is "two million, eight hundred forty thousand, one hundred fifty-eight".