98639198 has 8 divisors (see below), whose sum is σ = 169095792. Its totient is φ = 42273936.

The previous prime is 98639171. The next prime is 98639213. The reversal of 98639198 is 89193689.

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

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 3522815 + ... + 3522842.

It is an arithmetic number, because the mean of its divisors is an integer number (21136974).

Almost surely, 2^98639198 is an apocalyptic number.

98639198 is a deficient number, since it is larger than the sum of its proper divisors (70456594).

98639198 is a wasteful number, since it uses less digits than its factorization.

98639198 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 7045666.

The product of its digits is 839808, while the sum is 53.

The square root of 98639198 is about 9931.7268387728. The cubic root of 98639198 is about 462.0438324760.

The spelling of 98639198 in words is "ninety-eight million, six hundred thirty-nine thousand, one hundred ninety-eight".