2086618 has 16 divisors (see below), whose sum is σ = 3373920. Its totient is φ = 964656.

The previous prime is 2086589. The next prime is 2086621. The reversal of 2086618 is 8166802.

It is a nialpdrome in base 8.

It is a self number, because there is not a number n which added to its sum of digits gives 2086618.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 996 + ... + 2272.

It is an arithmetic number, because the mean of its divisors is an integer number (210870).

2^2086618 is an apocalyptic number.

2086618 is a deficient number, since it is larger than the sum of its proper divisors (1287302).

2086618 is a wasteful number, since it uses less digits than its factorization.

2086618 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1341.

The product of its (nonzero) digits is 4608, while the sum is 31.

The square root of 2086618 is about 1444.5130667460. The cubic root of 2086618 is about 127.7853253821.

It can be divided in two parts, 2086 and 618, that added together give a square (2704 = 52²).

The spelling of 2086618 in words is "two million, eighty-six thousand, six hundred eighteen".