2146973 has 4 divisors (see below), whose sum is σ = 2166780. Its totient is φ = 2127168.

The previous prime is 2146939. The next prime is 2146979. The reversal of 2146973 is 3796412.

2146973 is an esthetic number in base 12, because in such base its adjacent digits differ by 1.

It is a semiprime because it is the product of two primes.

It can be written as a sum of positive squares in 2 ways, for example, as 851929 + 1295044 = 923^2 + 1138^2 .

It is a cyclic number.

It is not a de Polignac number, because 2146973 - 2⁶ = 2146909 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (2146979) 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, 9740 + ... + 9957.

It is an arithmetic number, because the mean of its divisors is an integer number (541695).

2^2146973 is an apocalyptic number.

It is an amenable number.

2146973 is a deficient number, since it is larger than the sum of its proper divisors (19807).

2146973 is a wasteful number, since it uses less digits than its factorization.

2146973 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 19806.

The product of its digits is 9072, while the sum is 32.

The square root of 2146973 is about 1465.2552678629. The cubic root of 2146973 is about 129.0056885098.

The spelling of 2146973 in words is "two million, one hundred forty-six thousand, nine hundred seventy-three".