2645618 has 8 divisors (see below), whose sum is σ = 4060848. Its totient is φ = 1292004.

The previous prime is 2645603. The next prime is 2645639. The reversal of 2645618 is 8165462.

2645618 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 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, 15296 + ... + 15467.

It is an arithmetic number, because the mean of its divisors is an integer number (507606).

2^2645618 is an apocalyptic number.

2645618 is a deficient number, since it is larger than the sum of its proper divisors (1415230).

2645618 is a wasteful number, since it uses less digits than its factorization.

2645618 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 30808.

The product of its digits is 11520, while the sum is 32.

The square root of 2645618 is about 1626.5355821500. The cubic root of 2645618 is about 138.3064324072.

The spelling of 2645618 in words is "two million, six hundred forty-five thousand, six hundred eighteen".