2170983 has 4 divisors (see below), whose sum is σ = 2894648. Its totient is φ = 1447320.

The previous prime is 2170943. The next prime is 2171003. The reversal of 2170983 is 3890712.

It is a happy number.

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

It is not a de Polignac number, because 2170983 - 2⁶ = 2170919 is a prime.

It is an Ulam number.

It is a D-number.

It is a Duffinian number.

It is a nialpdrome in base 12.

It is a self number, because there is not a number n which added to its sum of digits gives 2170983.

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 3 ways as a sum of consecutive naturals, for example, 361828 + ... + 361833.

It is an arithmetic number, because the mean of its divisors is an integer number (723662).

2^2170983 is an apocalyptic number.

2170983 is a deficient number, since it is larger than the sum of its proper divisors (723665).

2170983 is an equidigital number, since it uses as much as digits as its factorization.

2170983 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 723664.

The product of its (nonzero) digits is 3024, while the sum is 30.

The square root of 2170983 is about 1473.4256004291. The cubic root of 2170983 is about 129.4848051421.

The spelling of 2170983 in words is "two million, one hundred seventy thousand, nine hundred eighty-three".