2011628 has 12 divisors (see below), whose sum is σ = 3530352. Its totient is φ = 1002960.

The previous prime is 2011613. The next prime is 2011631. The reversal of 2011628 is 8261102.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 2126 + ... + 2922.

It is an arithmetic number, because the mean of its divisors is an integer number (294196).

2^2011628 is an apocalyptic number.

It is an amenable number.

2011628 is a deficient number, since it is larger than the sum of its proper divisors (1518724).

2011628 is a wasteful number, since it uses less digits than its factorization.

2011628 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1432 (or 1430 counting only the distinct ones).

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

The square root of 2011628 is about 1418.3187229956. The cubic root of 2011628 is about 126.2358060048.

The spelling of 2011628 in words is "two million, eleven thousand, six hundred twenty-eight".