98431285 has 8 divisors (see below), whose sum is σ = 121310136. Its totient is φ = 76616640.

The previous prime is 98431279. The next prime is 98431327. The reversal of 98431285 is 58213489.

It can be written as a sum of positive squares in 4 ways, for example, as 20268004 + 78163281 = 4502^2 + 8841^2 .

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

It is not a de Polignac number, because 98431285 - 2¹¹ = 98429237 is a prime.

It is a Duffinian number.

It is a congruent number.

It is an unprimeable number.

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 7 ways as a sum of consecutive naturals, for example, 265846 + ... + 266215.

It is an arithmetic number, because the mean of its divisors is an integer number (15163767).

Almost surely, 2^98431285 is an apocalyptic number.

It is an amenable number.

98431285 is a deficient number, since it is larger than the sum of its proper divisors (22878851).

98431285 is a wasteful number, since it uses less digits than its factorization.

98431285 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 532103.

The product of its digits is 69120, while the sum is 40.

The square root of 98431285 is about 9921.2542049884. The cubic root of 98431285 is about 461.7189700951.

The spelling of 98431285 in words is "ninety-eight million, four hundred thirty-one thousand, two hundred eighty-five".