98939517 has 32 divisors (see below), whose sum is σ = 146065920. Its totient is φ = 59330880.

The previous prime is 98939501. The next prime is 98939543. The reversal of 98939517 is 71593989.

It is a happy number.

It is not a de Polignac number, because 98939517 - 2⁴ = 98939501 is a prime.

It is a self number, because there is not a number n which added to its sum of digits gives 98939517.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (98939557) 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 31 ways as a sum of consecutive naturals, for example, 90142 + ... + 91232.

It is an arithmetic number, because the mean of its divisors is an integer number (4564560).

Almost surely, 2^98939517 is an apocalyptic number.

It is an amenable number.

98939517 is a deficient number, since it is larger than the sum of its proper divisors (47126403).

98939517 is a wasteful number, since it uses less digits than its factorization.

98939517 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1193.

The product of its digits is 612360, while the sum is 51.

The square root of 98939517 is about 9946.8345215953. The cubic root of 98939517 is about 462.5122735482.

The spelling of 98939517 in words is "ninety-eight million, nine hundred thirty-nine thousand, five hundred seventeen".