2016628 has 6 divisors (see below), whose sum is σ = 3529106. Its totient is φ = 1008312.

The previous prime is 2016607. The next prime is 2016653. The reversal of 2016628 is 8266102.

It can be written as a sum of positive squares in only one way, i.e., 1411344 + 605284 = 1188^2 + 778^2 .

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 252075 + ... + 252082.

2^2016628 is an apocalyptic number.

It is an amenable number.

2016628 is a deficient number, since it is larger than the sum of its proper divisors (1512478).

2016628 is a wasteful number, since it uses less digits than its factorization.

2016628 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 504161 (or 504159 counting only the distinct ones).

The product of its (nonzero) digits is 1152, while the sum is 25.

The square root of 2016628 is about 1420.0802794209. The cubic root of 2016628 is about 126.3403078989.

The spelling of 2016628 in words is "two million, sixteen thousand, six hundred twenty-eight".