982557 has 16 divisors (see below), whose sum is σ = 1471360. Its totient is φ = 648000.

The previous prime is 982493. The next prime is 982559. The reversal of 982557 is 755289.

It is not a de Polignac number, because 982557 - 2⁶ = 982493 is a prime.

It is a Duffinian 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 982557.

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 in 15 ways as a sum of consecutive naturals, for example, 3957 + ... + 4197.

It is an arithmetic number, because the mean of its divisors is an integer number (91960).

2⁹⁸²⁵⁵⁷ is an apocalyptic number.

It is an amenable number.

982557 is a deficient number, since it is larger than the sum of its proper divisors (488803).

982557 is a wasteful number, since it uses less digits than its factorization.

982557 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 401 (or 395 counting only the distinct ones).

The product of its digits is 25200, while the sum is 36.

The square root of 982557 is about 991.2401323595. The cubic root of 982557 is about 99.4151528732.

The spelling of 982557 in words is "nine hundred eighty-two thousand, five hundred fifty-seven".