99985360 has 20 divisors (see below), whose sum is σ = 232466148. Its totient is φ = 39994112.

The previous prime is 99985351. The next prime is 99985397. The reversal of 99985360 is 6358999.

It can be written as a sum of positive squares in 2 ways, for example, as 60093504 + 39891856 = 7752^2 + 6316^2 .

It is a tau number, because it is divible by the number of its divisors (20).

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 624829 + ... + 624988.

Almost surely, 2^99985360 is an apocalyptic number.

It is an amenable number.

99985360 is an abundant number, since it is smaller than the sum of its proper divisors (132480788).

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

99985360 is a wasteful number, since it uses less digits than its factorization.

99985360 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1249830 (or 1249824 counting only the distinct ones).

The product of its (nonzero) digits is 524880, while the sum is 49.

The square root of 99985360 is about 9999.2679732068. The cubic root of 99985360 is about 464.1362313023.

The spelling of 99985360 in words is "ninety-nine million, nine hundred eighty-five thousand, three hundred sixty".