2790858 has 16 divisors (see below), whose sum is σ = 6379200. Its totient is φ = 797376.

The previous prime is 2790857. The next prime is 2790859. The reversal of 2790858 is 8580972.

2790858 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is an interprime number because it is at equal distance from previous prime (2790857) and next prime (2790859).

It is not an unprimeable number, because it can be changed into a prime (2790857) by changing a digit.

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 7 ways as a sum of consecutive naturals, for example, 33183 + ... + 33266.

It is an arithmetic number, because the mean of its divisors is an integer number (398700).

2^2790858 is an apocalyptic number.

2790858 is an abundant number, since it is smaller than the sum of its proper divisors (3588342).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

2790858 is a wasteful number, since it uses less digits than its factorization.

2790858 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 66461.

The product of its (nonzero) digits is 40320, while the sum is 39.

The square root of 2790858 is about 1670.5861246880. The cubic root of 2790858 is about 140.7924111892.

It can be divided in two parts, 27908 and 58, that added together give a triangular number (27966 = T₂₃₆).

The spelling of 2790858 in words is "two million, seven hundred ninety thousand, eight hundred fifty-eight".