983951 has 2 divisors, whose sum is σ = 983952. Its totient is φ = 983950.

The previous prime is 983929. The next prime is 983987. The reversal of 983951 is 159389.

It is a weak prime.

It is an emirp because it is prime and its reverse (159389) is a distict prime.

It is a cyclic number.

It is not a de Polignac number, because 983951 - 2¹⁴ = 967567 is a prime.

It is a Chen prime.

It is an Ulam number.

It is a zygodrome in base 2.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (983911) by changing a digit.

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 as a sum of consecutive naturals, namely, 491975 + 491976.

It is an arithmetic number, because the mean of its divisors is an integer number (491976).

2⁹⁸³⁹⁵¹ is an apocalyptic number.

983951 is a deficient number, since it is larger than the sum of its proper divisors (1).

983951 is an equidigital number, since it uses as much as digits as its factorization.

983951 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 9720, while the sum is 35.

The square root of 983951 is about 991.9430427197. The cubic root of 983951 is about 99.4621456468.

The spelling of 983951 in words is "nine hundred eighty-three thousand, nine hundred fifty-one".