98685218 has 4 divisors (see below), whose sum is σ = 148027830. Its totient is φ = 49342608.

The previous prime is 98685217. The next prime is 98685263. The reversal of 98685218 is 81258689.

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., 92987449 + 5697769 = 9643^2 + 2387^2 .

It is not an unprimeable number, because it can be changed into a prime (98685211) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 24671303 + ... + 24671306.

Almost surely, 2^98685218 is an apocalyptic number.

98685218 is a deficient number, since it is larger than the sum of its proper divisors (49342612).

98685218 is a wasteful number, since it uses less digits than its factorization.

98685218 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 49342611.

The product of its digits is 276480, while the sum is 47.

The square root of 98685218 is about 9934.0433862552. The cubic root of 98685218 is about 462.1156766369.

The spelling of 98685218 in words is "ninety-eight million, six hundred eighty-five thousand, two hundred eighteen".