2170973 has 8 divisors (see below), whose sum is σ = 2490048. Its totient is φ = 1854144.

The previous prime is 2170943. The next prime is 2171003. The reversal of 2170973 is 3790712.

It is a happy number.

It is an interprime number because it is at equal distance from previous prime (2170943) and next prime (2171003).

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

It is a cyclic number.

It is not a de Polignac number, because 2170973 - 2¹² = 2166877 is a prime.

It is a Duffinian number.

It is a Curzon number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (2170943) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 3365 + ... + 3957.

It is an arithmetic number, because the mean of its divisors is an integer number (311256).

2^2170973 is an apocalyptic number.

It is an amenable number.

2170973 is a deficient number, since it is larger than the sum of its proper divisors (319075).

2170973 is an equidigital number, since it uses as much as digits as its factorization.

2170973 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1123.

The product of its (nonzero) digits is 2646, while the sum is 29.

The square root of 2170973 is about 1473.4222069726. The cubic root of 2170973 is about 129.4846063305.

The spelling of 2170973 in words is "two million, one hundred seventy thousand, nine hundred seventy-three".