2808118 has 4 divisors (see below), whose sum is σ = 4212180. Its totient is φ = 1404058.

The previous prime is 2808107. The next prime is 2808119. The reversal of 2808118 is 8118082.

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

It is a nialpdrome in base 13.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (2808119) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 702028 + ... + 702031.

It is an arithmetic number, because the mean of its divisors is an integer number (1053045).

2^2808118 is an apocalyptic number.

2808118 is a deficient number, since it is larger than the sum of its proper divisors (1404062).

2808118 is a wasteful number, since it uses less digits than its factorization.

2808118 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1404061.

The product of its (nonzero) digits is 1024, while the sum is 28.

The square root of 2808118 is about 1675.7440138637. The cubic root of 2808118 is about 141.0820574285.

It can be divided in two parts, 2808 and 118, that added together give a triangular number (2926 = T₇₆).

The spelling of 2808118 in words is "two million, eight hundred eight thousand, one hundred eighteen".