98620685 has 4 divisors (see below), whose sum is σ = 118344828. Its totient is φ = 78896544.

The previous prime is 98620679. The next prime is 98620699. The reversal of 98620685 is 58602689.

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 18088009 + 80532676 = 4253^2 + 8974^2 .

It is a cyclic number.

It is not a de Polignac number, because 98620685 - 2¹⁸ = 98358541 is a prime.

It is a Duffinian number.

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 (13) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 9862064 + ... + 9862073.

It is an arithmetic number, because the mean of its divisors is an integer number (29586207).

Almost surely, 2^98620685 is an apocalyptic number.

It is an amenable number.

98620685 is a deficient number, since it is larger than the sum of its proper divisors (19724143).

98620685 is a wasteful number, since it uses less digits than its factorization.

98620685 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 19724142.

The product of its (nonzero) digits is 207360, while the sum is 44.

The square root of 98620685 is about 9930.7947818893. The cubic root of 98620685 is about 462.0149245880.

The spelling of 98620685 in words is "ninety-eight million, six hundred twenty thousand, six hundred eighty-five".