99985201 has 4 divisors (see below), whose sum is σ = 105247600. Its totient is φ = 94722804.

The previous prime is 99985159. The next prime is 99985217. The reversal of 99985201 is 10258999.

It is a semiprime because it is the product of two primes, and also a Blum integer, because the two primes are equal to 3 mod 4, and also an emirpimes, since its reverse is a distinct semiprime: 10258999 = 587 ⋅17477.

It is a cyclic number.

It is not a de Polignac number, because 99985201 - 2¹⁷ = 99854129 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (99985241) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 2631171 + ... + 2631208.

It is an arithmetic number, because the mean of its divisors is an integer number (26311900).

Almost surely, 2^99985201 is an apocalyptic number.

It is an amenable number.

99985201 is a deficient number, since it is larger than the sum of its proper divisors (5262399).

99985201 is a wasteful number, since it uses less digits than its factorization.

99985201 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 5262398.

The product of its (nonzero) digits is 58320, while the sum is 43.

The square root of 99985201 is about 9999.2600226217. The cubic root of 99985201 is about 464.1359852740.

The spelling of 99985201 in words is "ninety-nine million, nine hundred eighty-five thousand, two hundred one".