98987829 has 4 divisors (see below), whose sum is σ = 131983776. Its totient is φ = 65991884.

The previous prime is 98987827. The next prime is 98987831. The reversal of 98987829 is 92878989.

It is a semiprime because it is the product of two primes, and also a Blum integer, because the two primes are equal to 3 mod 4.

It is an interprime number because it is at equal distance from previous prime (98987827) and next prime (98987831).

It is a cyclic number.

It is not a de Polignac number, because 98987829 - 2¹ = 98987827 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (98987827) 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, 16497969 + ... + 16497974.

It is an arithmetic number, because the mean of its divisors is an integer number (32995944).

Almost surely, 2^98987829 is an apocalyptic number.

It is an amenable number.

98987829 is a deficient number, since it is larger than the sum of its proper divisors (32995947).

98987829 is a wasteful number, since it uses less digits than its factorization.

98987829 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 32995946.

The product of its digits is 5225472, while the sum is 60.

The square root of 98987829 is about 9949.2627365047. The cubic root of 98987829 is about 462.5875426204.

The spelling of 98987829 in words is "ninety-eight million, nine hundred eighty-seven thousand, eight hundred twenty-nine".