2166950 has 24 divisors (see below), whose sum is σ = 4244520. Its totient is φ = 820800.

The previous prime is 2166949. The next prime is 2166953. The reversal of 2166950 is 596612.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (2166953) 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, 191 + ... + 2090.

It is an arithmetic number, because the mean of its divisors is an integer number (176855).

2^2166950 is an apocalyptic number.

2166950 is a deficient number, since it is larger than the sum of its proper divisors (2077570).

2166950 is a wasteful number, since it uses less digits than its factorization.

2166950 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2312 (or 2307 counting only the distinct ones).

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

The square root of 2166950 is about 1472.0563847897. The cubic root of 2166950 is about 129.4045748315.

The spelling of 2166950 in words is "two million, one hundred sixty-six thousand, nine hundred fifty".