983901 has 4 divisors (see below), whose sum is σ = 1311872. Its totient is φ = 655932.

The previous prime is 983881. The next prime is 983911. The reversal of 983901 is 109389.

It is a happy number.

It is a semiprime because it is the product of two primes, and also a Blum integer, because the two primes are equal to 3 mod 4.

It is not a de Polignac number, because 983901 - 2¹⁷ = 852829 is a prime.

It is a super-2 number, since 2×983901² = 1936122355602, which contains 22 as substring.

It is a D-number.

It is a Duffinian number.

It is a Curzon number.

983901 is a lucky number.

It is a congruent number.

It is an inconsummate number, since it does not exist a number n which divided by its sum of digits gives 983901.

It is not an unprimeable number, because it can be changed into a 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 in 3 ways as a sum of consecutive naturals, for example, 163981 + ... + 163986.

It is an arithmetic number, because the mean of its divisors is an integer number (327968).

2⁹⁸³⁹⁰¹ is an apocalyptic number.

It is an amenable number.

983901 is a deficient number, since it is larger than the sum of its proper divisors (327971).

983901 is a wasteful number, since it uses less digits than its factorization.

983901 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 327970.

The product of its (nonzero) digits is 1944, while the sum is 30.

The square root of 983901 is about 991.9178393395. The cubic root of 983901 is about 99.4604608774.

The spelling of 983901 in words is "nine hundred eighty-three thousand, nine hundred one".