2026556 has 24 divisors (see below), whose sum is σ = 4087776. Its totient is φ = 861120.

The previous prime is 2026537. The next prime is 2026567. The reversal of 2026556 is 6556202.

It is a happy number.

It is a super-2 number, since 2×2026556² = 8213858442272, which contains 22 as substring.

It is a congruent number.

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 7 ways as a sum of consecutive naturals, for example, 4166 + ... + 4626.

It is an arithmetic number, because the mean of its divisors is an integer number (170324).

2^2026556 is an apocalyptic number.

It is an amenable number.

2026556 is an abundant number, since it is smaller than the sum of its proper divisors (2061220).

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

2026556 is a wasteful number, since it uses less digits than its factorization.

2026556 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 629 (or 627 counting only the distinct ones).

The product of its (nonzero) digits is 3600, while the sum is 26.

The square root of 2026556 is about 1423.5715647624. The cubic root of 2026556 is about 126.5472959737.

The spelling of 2026556 in words is "two million, twenty-six thousand, five hundred fifty-six".