2086556 has 12 divisors (see below), whose sum is σ = 3662568. Its totient is φ = 1040112.

The previous prime is 2086549. The next prime is 2086571. The reversal of 2086556 is 6556802.

It is a happy number.

It is a super-2 number, since 2×2086556² = 8707431882272, which contains 22 as substring.

It is a congruent number.

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, 1310 + ... + 2426.

It is an arithmetic number, because the mean of its divisors is an integer number (305214).

2^2086556 is an apocalyptic number.

It is an amenable number.

2086556 is a deficient number, since it is larger than the sum of its proper divisors (1576012).

2086556 is a wasteful number, since it uses less digits than its factorization.

2086556 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1588 (or 1586 counting only the distinct ones).

The product of its (nonzero) digits is 14400, while the sum is 32.

The square root of 2086556 is about 1444.4916060677. The cubic root of 2086556 is about 127.7840597346.

The spelling of 2086556 in words is "two million, eighty-six thousand, five hundred fifty-six".