2166954 has 8 divisors (see below), whose sum is σ = 4333920. Its totient is φ = 722316.

The previous prime is 2166953. The next prime is 2166961. The reversal of 2166954 is 4596612.

It is a sphenic number, since it is the product of 3 distinct primes.

2166954 is an admirable number.

It is a Curzon 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 3 ways as a sum of consecutive naturals, for example, 180574 + ... + 180585.

It is an arithmetic number, because the mean of its divisors is an integer number (541740).

2^2166954 is an apocalyptic number.

2166954 is a primitive abundant number, since it is smaller than the sum of its proper divisors, none of which is abundant.

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

2166954 is a wasteful number, since it uses less digits than its factorization.

2166954 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 361164.

The product of its digits is 12960, while the sum is 33.

The square root of 2166954 is about 1472.0577434326. The cubic root of 2166954 is about 129.4046544546.

The spelling of 2166954 in words is "two million, one hundred sixty-six thousand, nine hundred fifty-four".