2164648 has 32 divisors (see below), whose sum is σ = 4268160. Its totient is φ = 1028160.

The previous prime is 2164639. The next prime is 2164681. The reversal of 2164648 is 8464612.

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, 20965 + ... + 21067.

It is an arithmetic number, because the mean of its divisors is an integer number (133380).

2^2164648 is an apocalyptic number.

It is an amenable number.

2164648 is a deficient number, since it is larger than the sum of its proper divisors (2103512).

2164648 is a wasteful number, since it uses less digits than its factorization.

2164648 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 217 (or 213 counting only the distinct ones).

The product of its digits is 9216, while the sum is 31.

The square root of 2164648 is about 1471.2742776247. The cubic root of 2164648 is about 129.3587354599.

The spelling of 2164648 in words is "two million, one hundred sixty-four thousand, six hundred forty-eight".