98328569 has 4 divisors (see below), whose sum is σ = 98469540. Its totient is φ = 98187600.

The previous prime is 98328551. The next prime is 98328623. The reversal of 98328569 is 96582389.

It is a semiprime because it is the product of two primes, and also an emirpimes, since its reverse is a distinct semiprime: 96582389 = 17 ⋅5681317.

It can be written as a sum of positive squares in 2 ways, for example, as 40386025 + 57942544 = 6355^2 + 7612^2 .

It is a cyclic number.

It is not a de Polignac number, because 98328569 - 2⁸ = 98328313 is a prime.

It is a super-2 number, since 2×98328569² = 19337014963175522, which contains 22 as substring.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (98328509) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 69434 + ... + 70835.

It is an arithmetic number, because the mean of its divisors is an integer number (24617385).

Almost surely, 2^98328569 is an apocalyptic number.

It is an amenable number.

98328569 is a deficient number, since it is larger than the sum of its proper divisors (140971).

98328569 is a wasteful number, since it uses less digits than its factorization.

98328569 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 140970.

The product of its digits is 933120, while the sum is 50.

The square root of 98328569 is about 9916.0762905496. The cubic root of 98328569 is about 461.5583083296.

The spelling of 98328569 in words is "ninety-eight million, three hundred twenty-eight thousand, five hundred sixty-nine".