2104618 has 4 divisors (see below), whose sum is σ = 3156930. Its totient is φ = 1052308.

The previous prime is 2104607. The next prime is 2104633. The reversal of 2104618 is 8164012.

It is a semiprime because it is the product of two primes.

It can be written as a sum of positive squares in only one way, i.e., 1841449 + 263169 = 1357^2 + 513^2 .

It is a Smith number, since the sum of its digits (22) coincides with the sum of the digits of its prime factors. Since it is squarefree, it is also a hoax number.

It is an unprimeable number.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 526153 + ... + 526156.

2^2104618 is an apocalyptic number.

2104618 is a deficient number, since it is larger than the sum of its proper divisors (1052312).

2104618 is a wasteful number, since it uses less digits than its factorization.

2104618 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1052311.

The product of its (nonzero) digits is 384, while the sum is 22.

The square root of 2104618 is about 1450.7301609879. The cubic root of 2104618 is about 128.1517162611.

The spelling of 2104618 in words is "two million, one hundred four thousand, six hundred eighteen".