2169056 has 12 divisors (see below), whose sum is σ = 4270392. Its totient is φ = 1084512.

The previous prime is 2169031. The next prime is 2169071. The reversal of 2169056 is 6509612.

It is a super-2 number, since 2×2169056² = 9409607862272, which contains 22 as substring.

It is an alternating number because its digits alternate between even and odd.

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (7) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 33860 + ... + 33923.

It is an arithmetic number, because the mean of its divisors is an integer number (355866).

2^2169056 is an apocalyptic number.

It is an amenable number.

2169056 is a deficient number, since it is larger than the sum of its proper divisors (2101336).

2169056 is an equidigital number, since it uses as much as digits as its factorization.

2169056 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 67793 (or 67785 counting only the distinct ones).

The product of its (nonzero) digits is 3240, while the sum is 29.

The square root of 2169056 is about 1472.7715369330. The cubic root of 2169056 is about 129.4464828582.

The spelling of 2169056 in words is "two million, one hundred sixty-nine thousand, fifty-six".