2066628 has 12 divisors (see below), whose sum is σ = 4822160. Its totient is φ = 688872.

The previous prime is 2066609. The next prime is 2066641. The reversal of 2066628 is 8266602.

It is a tau number, because it is divible by the number of its divisors (12).

It is a junction number, because it is equal to n+sod(n) for n = 2066595 and 2066604.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 86098 + ... + 86121.

2^2066628 is an apocalyptic number.

It is an amenable number.

2066628 is an abundant number, since it is smaller than the sum of its proper divisors (2755532).

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

2066628 is a wasteful number, since it uses less digits than its factorization.

2066628 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 172226 (or 172224 counting only the distinct ones).

The product of its (nonzero) digits is 6912, while the sum is 30.

The square root of 2066628 is about 1437.5771283656. The cubic root of 2066628 is about 127.3759500880.

The spelling of 2066628 in words is "two million, sixty-six thousand, six hundred twenty-eight".