973983 has 4 divisors (see below), whose sum is σ = 1298648. Its totient is φ = 649320.

The previous prime is 973957. The next prime is 974003. The reversal of 973983 is 389379.

It is a happy number.

It is a semiprime because it is the product of two primes, and also an emirpimes, since its reverse is a distinct semiprime: 389379 = 3 ⋅129793.

It is not a de Polignac number, because 973983 - 2⁶ = 973919 is a prime.

It is a D-number.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (973283) 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, 162328 + ... + 162333.

It is an arithmetic number, because the mean of its divisors is an integer number (324662).

2⁹⁷³⁹⁸³ is an apocalyptic number.

973983 is a deficient number, since it is larger than the sum of its proper divisors (324665).

973983 is a wasteful number, since it uses less digits than its factorization.

973983 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 324664.

The product of its digits is 40824, while the sum is 39.

The square root of 973983 is about 986.9057705779. The cubic root of 973983 is about 99.1251351011.

The spelling of 973983 in words is "nine hundred seventy-three thousand, nine hundred eighty-three".