983489 has 4 divisors (see below), whose sum is σ = 1059156. Its totient is φ = 907824.

The previous prime is 983461. The next prime is 983491. The reversal of 983489 is 984389.

It is a semiprime because it is the product of two primes, and also an emirpimes, since its reverse is a distinct semiprime: 984389 = 7 ⋅140627.

It can be written as a sum of positive squares in 2 ways, for example, as 330625 + 652864 = 575^2 + 808^2 .

It is a cyclic number.

It is not a de Polignac number, because 983489 - 2⁸ = 983233 is a prime.

It is a super-2 number, since 2×983489² = 1934501226242, which contains 22 as substring.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (983429) 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, 37814 + ... + 37839.

It is an arithmetic number, because the mean of its divisors is an integer number (264789).

2⁹⁸³⁴⁸⁹ is an apocalyptic number.

It is an amenable number.

983489 is a deficient number, since it is larger than the sum of its proper divisors (75667).

983489 is a wasteful number, since it uses less digits than its factorization.

983489 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 75666.

The product of its digits is 62208, while the sum is 41.

The square root of 983489 is about 991.7101391032. The cubic root of 983489 is about 99.4465762044.

Subtracting 983489 from its reverse (984389), we obtain a square (900 = 30²).

The spelling of 983489 in words is "nine hundred eighty-three thousand, four hundred eighty-nine".