98984729 has 4 divisors (see below), whose sum is σ = 99039780. Its totient is φ = 98929680.

The previous prime is 98984719. The next prime is 98984749. The reversal of 98984729 is 92748989.

It is a happy number.

It is a semiprime because it is the product of two primes.

It can be written as a sum of positive squares in 2 ways, for example, as 43824400 + 55160329 = 6620^2 + 7427^2 .

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-98984729 is a prime.

It is a Duffinian number.

It is a Curzon number.

It is not an unprimeable number, because it can be changed into a prime (98984719) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 24734 + ... + 28455.

It is an arithmetic number, because the mean of its divisors is an integer number (24759945).

Almost surely, 2^98984729 is an apocalyptic number.

It is an amenable number.

98984729 is a deficient number, since it is larger than the sum of its proper divisors (55051).

98984729 is a wasteful number, since it uses less digits than its factorization.

98984729 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 55050.

The product of its digits is 2612736, while the sum is 56.

The square root of 98984729 is about 9949.1069448469. The cubic root of 98984729 is about 462.5827136215.

The spelling of 98984729 in words is "ninety-eight million, nine hundred eighty-four thousand, seven hundred twenty-nine".