2163328 has 16 divisors (see below), whose sum is σ = 4310010. Its totient is φ = 1081600.

The previous prime is 2163307. The next prime is 2163341. The reversal of 2163328 is 8233612.

It can be written as a sum of positive squares in only one way, i.e., 1098304 + 1065024 = 1048^2 + 1032^2 .

It is a tau number, because it is divible by the number of its divisors (16).

It is an unprimeable number.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 8323 + ... + 8578.

2^2163328 is an apocalyptic number.

It is an amenable number.

2163328 is a deficient number, since it is larger than the sum of its proper divisors (2146682).

2163328 is an equidigital number, since it uses as much as digits as its factorization.

2163328 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 16915 (or 16903 counting only the distinct ones).

The product of its digits is 1728, while the sum is 25.

The square root of 2163328 is about 1470.8256184878. The cubic root of 2163328 is about 129.3324358412.

The spelling of 2163328 in words is "two million, one hundred sixty-three thousand, three hundred twenty-eight".