98729409 has 8 divisors (see below), whose sum is σ = 137362752. Its totient is φ = 62957840.

The previous prime is 98729383. The next prime is 98729417. The reversal of 98729409 is 90492789.

It is a happy number.

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 98729409 - 2⁸ = 98729153 is a prime.

It is a Curzon number.

It is not an unprimeable number, because it can be changed into a prime (98729429) 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, 715362 + ... + 715499.

It is an arithmetic number, because the mean of its divisors is an integer number (17170344).

Almost surely, 2^98729409 is an apocalyptic number.

It is an amenable number.

98729409 is a deficient number, since it is larger than the sum of its proper divisors (38633343).

98729409 is a wasteful number, since it uses less digits than its factorization.

98729409 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1430887.

The product of its (nonzero) digits is 326592, while the sum is 48.

The square root of 98729409 is about 9936.2673575141. The cubic root of 98729409 is about 462.1846444345.

The spelling of 98729409 in words is "ninety-eight million, seven hundred twenty-nine thousand, four hundred nine".