983975 has 6 divisors (see below), whose sum is σ = 1220160. Its totient is φ = 787160.

The previous prime is 983951. The next prime is 983987. The reversal of 983975 is 579389.

It is not a de Polignac number, because 983975 - 2⁶ = 983911 is a prime.

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 5 ways as a sum of consecutive naturals, for example, 19655 + ... + 19704.

It is an arithmetic number, because the mean of its divisors is an integer number (203360).

2⁹⁸³⁹⁷⁵ is an apocalyptic number.

983975 is a deficient number, since it is larger than the sum of its proper divisors (236185).

983975 is a wasteful number, since it uses less digits than its factorization.

983975 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 39369 (or 39364 counting only the distinct ones).

The product of its digits is 68040, while the sum is 41.

The square root of 983975 is about 991.9551401147. The cubic root of 983975 is about 99.4629543158.

The spelling of 983975 in words is "nine hundred eighty-three thousand, nine hundred seventy-five".