98528639 has 8 divisors (see below), whose sum is σ = 107557632. Its totient is φ = 89511640.

The previous prime is 98528629. The next prime is 98528641. The reversal of 98528639 is 93682589.

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

It is a cyclic number.

It is not a de Polignac number, because 98528639 - 2⁸ = 98528383 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (98528629) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 31082 + ... + 34104.

It is an arithmetic number, because the mean of its divisors is an integer number (13444704).

Almost surely, 2^98528639 is an apocalyptic number.

98528639 is a deficient number, since it is larger than the sum of its proper divisors (9028993).

98528639 is a wasteful number, since it uses less digits than its factorization.

98528639 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 5997.

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

The square root of 98528639 is about 9926.1593277561. The cubic root of 98528639 is about 461.8711418271.

The spelling of 98528639 in words is "ninety-eight million, five hundred twenty-eight thousand, six hundred thirty-nine".