98428685 has 16 divisors (see below), whose sum is σ = 122335920. Its totient is φ = 75978240.

The previous prime is 98428667. The next prime is 98428709. The reversal of 98428685 is 58682489.

It can be written as a sum of positive squares in 8 ways, for example, as 15217801 + 83210884 = 3901^2 + 9122^2 .

It is not a de Polignac number, because 98428685 - 2¹⁶ = 98363149 is a prime.

It is a Curzon 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 15 ways as a sum of consecutive naturals, for example, 13121 + ... + 19209.

It is an arithmetic number, because the mean of its divisors is an integer number (7645995).

Almost surely, 2^98428685 is an apocalyptic number.

It is an amenable number.

98428685 is a deficient number, since it is larger than the sum of its proper divisors (23907235).

98428685 is a wasteful number, since it uses less digits than its factorization.

98428685 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 6208.

The product of its digits is 1105920, while the sum is 50.

The square root of 98428685 is about 9921.1231723026. The cubic root of 98428685 is about 461.7149047214.

The spelling of 98428685 in words is "ninety-eight million, four hundred twenty-eight thousand, six hundred eighty-five".