98957 has 4 divisors (see below), whose sum is σ = 104796. Its totient is φ = 93120.

The previous prime is 98953. The next prime is 98963. The reversal of 98957 is 75989.

It is a semiprime because it is the product of two primes.

It can be written as a sum of positive squares in 2 ways, for example, as 81796 + 17161 = 286^2 + 131^2 .

It is a cyclic number.

It is not a de Polignac number, because 98957 - 2² = 98953 is a prime.

It is a Duffinian number.

It is a self number, because there is not a number n which added to its sum of digits gives 98957.

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 98957.

It is not an unprimeable number, because it can be changed into a prime (98953) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (7) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 2894 + ... + 2927.

It is an arithmetic number, because the mean of its divisors is an integer number (26199).

2⁹⁸⁹⁵⁷ is an apocalyptic number.

It is an amenable number.

98957 is a deficient number, since it is larger than the sum of its proper divisors (5839).

98957 is a wasteful number, since it uses less digits than its factorization.

98957 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 5838.

The product of its digits is 22680, while the sum is 38.

The square root of 98957 is about 314.5743155440. The cubic root of 98957 is about 46.2539514520.

The spelling of 98957 in words is "ninety-eight thousand, nine hundred fifty-seven".