98506 has 4 divisors (see below), whose sum is σ = 147762. Its totient is φ = 49252.

The previous prime is 98491. The next prime is 98507. The reversal of 98506 is 60589.

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

It can be written as a sum of positive squares in only one way, i.e., 95481 + 3025 = 309^2 + 55^2 .

It is not an unprimeable number, because it can be changed into a prime (98507) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 24625 + ... + 24628.

2⁹⁸⁵⁰⁶ is an apocalyptic number.

98506 is the 199-th centered pentagonal number.

98506 is a deficient number, since it is larger than the sum of its proper divisors (49256).

98506 is a wasteful number, since it uses less digits than its factorization.

98506 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 49255.

The product of its (nonzero) digits is 2160, while the sum is 28.

The square root of 98506 is about 313.8566551788. The cubic root of 98506 is about 46.1835764290.

It can be divided in two parts, 9 and 8506, that added together give a triangular number (8515 = T₁₃₀).

The spelling of 98506 in words is "ninety-eight thousand, five hundred six".