2128016 has 40 divisors (see below), whose sum is σ = 4580064. Its totient is φ = 949760.

The previous prime is 2128001. The next prime is 2128031. The reversal of 2128016 is 6108212.

It is an interprime number because it is at equal distance from previous prime (2128001) and next prime (2128031).

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (7) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 18776 + ... + 18888.

2^2128016 is an apocalyptic number.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 2128016, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (2290032).

2128016 is an abundant number, since it is smaller than the sum of its proper divisors (2452048).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

2128016 is a wasteful number, since it uses less digits than its factorization.

2128016 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 239 (or 233 counting only the distinct ones).

The product of its (nonzero) digits is 192, while the sum is 20.

The square root of 2128016 is about 1458.7720863795. The cubic root of 2128016 is about 128.6248741941.

It can be divided in two parts, 212 and 8016, that added together give a palindrome (8228).

The spelling of 2128016 in words is "two million, one hundred twenty-eight thousand, sixteen".