2101328 has 20 divisors (see below), whose sum is σ = 4139988. Its totient is φ = 1032960.

The previous prime is 2101327. The next prime is 2101357. The reversal of 2101328 is 8231012.

It can be written as a sum of positive squares in 2 ways, for example, as 107584 + 1993744 = 328^2 + 1412^2 .

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (2101327) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 101 + ... + 2052.

2^2101328 is an apocalyptic number.

It is an amenable number.

2101328 is a deficient number, since it is larger than the sum of its proper divisors (2038660).

2101328 is a wasteful number, since it uses less digits than its factorization.

2101328 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2222 (or 2216 counting only the distinct ones).

The product of its (nonzero) digits is 96, while the sum is 17.

The square root of 2101328 is about 1449.5958057334. The cubic root of 2101328 is about 128.0849046064.

The spelling of 2101328 in words is "two million, one hundred one thousand, three hundred twenty-eight".