99608445 has 24 divisors (see below), whose sum is σ = 172887000. Its totient is φ = 53053056.

The previous prime is 99608441. The next prime is 99608447. The reversal of 99608445 is 54480699.

It is a happy number.

It can be written as a sum of positive squares in 4 ways, for example, as 47961 + 99560484 = 219^2 + 9978^2 .

It is not a de Polignac number, because 99608445 - 2² = 99608441 is a prime.

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

It is a self number, because there is not a number n which added to its sum of digits gives 99608445.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (99608441) by changing a digit.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 63531 + ... + 65079.

It is an arithmetic number, because the mean of its divisors is an integer number (7203625).

Almost surely, 2^99608445 is an apocalyptic number.

It is an amenable number.

99608445 is a deficient number, since it is larger than the sum of its proper divisors (73278555).

99608445 is a wasteful number, since it uses less digits than its factorization.

99608445 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2989 (or 2986 counting only the distinct ones).

The product of its (nonzero) digits is 311040, while the sum is 45.

The square root of 99608445 is about 9980.4030479736. The cubic root of 99608445 is about 463.5522785019.

The spelling of 99608445 in words is "ninety-nine million, six hundred eight thousand, four hundred forty-five".