2086628 has 6 divisors (see below), whose sum is σ = 3651606. Its totient is φ = 1043312.

The previous prime is 2086621. The next prime is 2086639. The reversal of 2086628 is 8266802.

It is a happy number.

It can be written as a sum of positive squares in only one way, i.e., 1236544 + 850084 = 1112^2 + 922^2 .

It is a junction number, because it is equal to n+sod(n) for n = 2086594 and 2086603.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (2086621) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 260825 + ... + 260832.

It is an arithmetic number, because the mean of its divisors is an integer number (608601).

2^2086628 is an apocalyptic number.

It is an amenable number.

2086628 is a deficient number, since it is larger than the sum of its proper divisors (1564978).

2086628 is a wasteful number, since it uses less digits than its factorization.

2086628 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 521661 (or 521659 counting only the distinct ones).

The product of its (nonzero) digits is 9216, while the sum is 32.

The square root of 2086628 is about 1444.5165281159. The cubic root of 2086628 is about 127.7855295164.

The spelling of 2086628 in words is "two million, eighty-six thousand, six hundred twenty-eight".