2146856 has 16 divisors (see below), whose sum is σ = 4066740. Its totient is φ = 1062400.

The previous prime is 2146853. The next prime is 2146897. The reversal of 2146856 is 6586412.

It can be written as a sum of positive squares in 2 ways, for example, as 1865956 + 280900 = 1366^2 + 530^2 .

It is not an unprimeable number, because it can be changed into a prime (2146853) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 521 + ... + 2136.

2^2146856 is an apocalyptic number.

It is an amenable number.

2146856 is a deficient number, since it is larger than the sum of its proper divisors (1919884).

2146856 is a wasteful number, since it uses less digits than its factorization.

2146856 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2764 (or 2760 counting only the distinct ones).

The product of its digits is 11520, while the sum is 32.

The square root of 2146856 is about 1465.2153425350. The cubic root of 2146856 is about 129.0033450648.

The spelling of 2146856 in words is "two million, one hundred forty-six thousand, eight hundred fifty-six".