98819659 has 4 divisors (see below), whose sum is σ = 98966304. Its totient is φ = 98673016.

The previous prime is 98819639. The next prime is 98819671. The reversal of 98819659 is 95691889.

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 98819659 - 2⁷ = 98819531 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (98819629) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 72307 + ... + 73660.

It is an arithmetic number, because the mean of its divisors is an integer number (24741576).

Almost surely, 2^98819659 is an apocalyptic number.

98819659 is a deficient number, since it is larger than the sum of its proper divisors (146645).

98819659 is a wasteful number, since it uses less digits than its factorization.

98819659 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 146644.

The product of its digits is 1399680, while the sum is 55.

The square root of 98819659 is about 9940.8077639596. The cubic root of 98819659 is about 462.3254314642.

The spelling of 98819659 in words is "ninety-eight million, eight hundred nineteen thousand, six hundred fifty-nine".