98636543 has 4 divisors (see below), whose sum is σ = 103827960. Its totient is φ = 93445128.

The previous prime is 98636519. The next prime is 98636557. The reversal of 98636543 is 34563689.

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

It is a cyclic number.

It is not a de Polignac number, because 98636543 - 2⁶ = 98636479 is a prime.

It is a super-2 number, since 2×98636543² = 19458335229981698, which contains 22 as substring.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 98636494 and 98636503.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (98636243) 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, 2595680 + ... + 2595717.

It is an arithmetic number, because the mean of its divisors is an integer number (25956990).

Almost surely, 2^98636543 is an apocalyptic number.

98636543 is a deficient number, since it is larger than the sum of its proper divisors (5191417).

98636543 is a wasteful number, since it uses less digits than its factorization.

98636543 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 5191416.

The product of its digits is 466560, while the sum is 44.

The square root of 98636543 is about 9931.5931753168. The cubic root of 98636543 is about 462.0396869388.

The spelling of 98636543 in words is "ninety-eight million, six hundred thirty-six thousand, five hundred forty-three".