98609218 has 8 divisors (see below), whose sum is σ = 151911612. Its totient is φ = 47972016.

The previous prime is 98609209. The next prime is 98609219. The reversal of 98609218 is 81290689.

It is a happy number.

It can be written as a sum of positive squares in 2 ways, for example, as 67617729 + 30991489 = 8223^2 + 5567^2 .

It is a sphenic number, since it is the product of 3 distinct primes.

It is not an unprimeable number, because it can be changed into a prime (98609219) 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, 666205 + ... + 666352.

Almost surely, 2^98609218 is an apocalyptic number.

98609218 is a deficient number, since it is larger than the sum of its proper divisors (53302394).

98609218 is a wasteful number, since it uses less digits than its factorization.

98609218 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1332596.

The product of its (nonzero) digits is 62208, while the sum is 43.

The square root of 98609218 is about 9930.2174195735. The cubic root of 98609218 is about 461.9970171531.

The spelling of 98609218 in words is "ninety-eight million, six hundred nine thousand, two hundred eighteen".