98685720 has 96 divisors (see below), whose sum is σ = 366556320. Its totient is φ = 22556160.

The previous prime is 98685703. The next prime is 98685721. The reversal of 98685720 is 2758689.

It is a Harshad number since it is a multiple of its sum of digits (45).

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (98685721) by changing a digit.

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 23 ways as a sum of consecutive naturals, for example, 17061 + ... + 22100.

It is an arithmetic number, because the mean of its divisors is an integer number (3818295).

Almost surely, 2^98685720 is an apocalyptic number.

98685720 is a gapful number since it is divisible by the number (90) formed by its first and last digit.

It is an amenable number.

98685720 is an abundant number, since it is smaller than the sum of its proper divisors (267870600).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

98685720 is a wasteful number, since it uses less digits than its factorization.

98685720 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 39185 (or 39178 counting only the distinct ones).

The product of its (nonzero) digits is 241920, while the sum is 45.

The square root of 98685720 is about 9934.0686528733. The cubic root of 98685720 is about 462.1164602115.

The spelling of 98685720 in words is "ninety-eight million, six hundred eighty-five thousand, seven hundred twenty".