2102618 has 16 divisors (see below), whose sum is σ = 3642624. Its totient is φ = 891600.

The previous prime is 2102593. The next prime is 2102623. The reversal of 2102618 is 8162012.

It is a self number, because there is not a number n which added to its sum of digits gives 2102618.

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, 671 + ... + 2157.

It is an arithmetic number, because the mean of its divisors is an integer number (227664).

2^2102618 is an apocalyptic number.

2102618 is a deficient number, since it is larger than the sum of its proper divisors (1540006).

2102618 is a wasteful number, since it uses less digits than its factorization.

2102618 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1597.

The product of its (nonzero) digits is 192, while the sum is 20.

The square root of 2102618 is about 1450.0406890843. The cubic root of 2102618 is about 128.1111095788. Note that the first 4 decimals are identical.

The spelling of 2102618 in words is "two million, one hundred two thousand, six hundred eighteen".