2163896 has 32 divisors (see below), whose sum is σ = 4911840. Its totient is φ = 872448.

The previous prime is 2163883. The next prime is 2163911. The reversal of 2163896 is 6983612.

2163896 = T₆₉ + T₇₀ + ... + T₂₃₆.

It is a Smith number, since the sum of its digits (35) coincides with the sum of the digits of its prime factors.

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 in 7 ways as a sum of consecutive naturals, for example, 185 + ... + 2088.

It is an arithmetic number, because the mean of its divisors is an integer number (153495).

2^2163896 is an apocalyptic number.

It is an amenable number.

2163896 is an abundant number, since it is smaller than the sum of its proper divisors (2747944).

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

2163896 is a wasteful number, since it uses less digits than its factorization.

2163896 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2303 (or 2299 counting only the distinct ones).

The product of its digits is 15552, while the sum is 35.

The square root of 2163896 is about 1471.0186946467. The cubic root of 2163896 is about 129.3437539578.

The spelling of 2163896 in words is "two million, one hundred sixty-three thousand, eight hundred ninety-six".