2179983 has 8 divisors (see below), whose sum is σ = 3130288. Its totient is φ = 1341504.

The previous prime is 2179981. The next prime is 2179993. The reversal of 2179983 is 3899712.

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

It is not a de Polignac number, because 2179983 - 2¹ = 2179981 is a prime.

It is a Harshad number since it is a multiple of its sum of digits (39), and also a Moran number because the ratio is a prime number: 55897 = 2179983 / (2 + 1 + 7 + 9 + 9 + 8 + 3).

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (2179981) 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, 27910 + ... + 27987.

It is an arithmetic number, because the mean of its divisors is an integer number (391286).

2^2179983 is an apocalyptic number.

2179983 is a deficient number, since it is larger than the sum of its proper divisors (950305).

2179983 is a wasteful number, since it uses less digits than its factorization.

2179983 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 55913.

The product of its digits is 27216, while the sum is 39.

The square root of 2179983 is about 1476.4765490857. The cubic root of 2179983 is about 129.6634886499.

The spelling of 2179983 in words is "two million, one hundred seventy-nine thousand, nine hundred eighty-three".