2118328 has 8 divisors (see below), whose sum is σ = 3971880. Its totient is φ = 1059160.

The previous prime is 2118313. The next prime is 2118331. The reversal of 2118328 is 8238112.

It is a tau number, because it is divible by the number of its divisors (8).

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 132388 + ... + 132403.

It is an arithmetic number, because the mean of its divisors is an integer number (496485).

2^2118328 is an apocalyptic number.

It is an amenable number.

2118328 is a deficient number, since it is larger than the sum of its proper divisors (1853552).

2118328 is a wasteful number, since it uses less digits than its factorization.

2118328 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 264797 (or 264793 counting only the distinct ones).

The product of its digits is 768, while the sum is 25.

The square root of 2118328 is about 1455.4476974457. The cubic root of 2118328 is about 128.4293848114.

The spelling of 2118328 in words is "two million, one hundred eighteen thousand, three hundred twenty-eight".