983091 has 12 divisors (see below), whose sum is σ = 1348872. Its totient is φ = 636768.

The previous prime is 983083. The next prime is 983113. The reversal of 983091 is 190389.

It is a happy number.

983091 is nontrivially palindromic in base 8.

It is not a de Polignac number, because 983091 - 2³ = 983083 is a prime.

It is an Ulam number.

It is a zygodrome in base 2.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (983491) by changing a digit.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 13431 + ... + 13503.

It is an arithmetic number, because the mean of its divisors is an integer number (112406).

2⁹⁸³⁰⁹¹ is an apocalyptic number.

983091 is a deficient number, since it is larger than the sum of its proper divisors (365781).

983091 is an equidigital number, since it uses as much as digits as its factorization.

983091 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 210 (or 143 counting only the distinct ones).

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

The square root of 983091 is about 991.5094553256. The cubic root of 983091 is about 99.4331596579.

The spelling of 983091 in words is "nine hundred eighty-three thousand, ninety-one".