982558 has 4 divisors (see below), whose sum is σ = 1473840. Its totient is φ = 491278.

The previous prime is 982493. The next prime is 982559. The reversal of 982558 is 855289.

It is a happy number.

It is a semiprime because it is the product of two primes, and also an emirpimes, since its reverse is a distinct semiprime: 855289 = 373 ⋅2293.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (982559) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 245638 + ... + 245641.

It is an arithmetic number, because the mean of its divisors is an integer number (368460).

2⁹⁸²⁵⁵⁸ is an apocalyptic number.

982558 is a deficient number, since it is larger than the sum of its proper divisors (491282).

982558 is a wasteful number, since it uses less digits than its factorization.

982558 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 491281.

The product of its digits is 28800, while the sum is 37.

The square root of 982558 is about 991.2406367780. The cubic root of 982558 is about 99.4151865999.

It can be divided in two parts, 982 and 558, that added together give a triangular number (1540 = T₅₅).

The spelling of 982558 in words is "nine hundred eighty-two thousand, five hundred fifty-eight".