2164850 has 24 divisors (see below), whose sum is σ = 4168260. Its totient is φ = 835520.

The previous prime is 2164843. The next prime is 2164853. The reversal of 2164850 is 584612.

It can be written as a sum of positive squares in 6 ways, for example, as 1256641 + 908209 = 1121^2 + 953^2 .

It is not an unprimeable number, because it can be changed into a prime (2164853) by changing a digit.

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 11 ways as a sum of consecutive naturals, for example, 704 + ... + 2196.

2^2164850 is an apocalyptic number.

2164850 is a deficient number, since it is larger than the sum of its proper divisors (2003410).

2164850 is a wasteful number, since it uses less digits than its factorization.

2164850 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1534 (or 1529 counting only the distinct ones).

The product of its (nonzero) digits is 1920, while the sum is 26.

The square root of 2164850 is about 1471.3429239983. The cubic root of 2164850 is about 129.3627591552.

The spelling of 2164850 in words is "two million, one hundred sixty-four thousand, eight hundred fifty".