99306447 has 8 divisors (see below), whose sum is σ = 132740400. Its totient is φ = 66038400.

The previous prime is 99306443. The next prime is 99306451. The reversal of 99306447 is 74460399.

It is an interprime number because it is at equal distance from previous prime (99306443) and next prime (99306451).

It is a sphenic number, since it is the product of 3 distinct primes.

It is not a de Polignac number, because 99306447 - 2² = 99306443 is a prime.

It is a junction number, because it is equal to n+sod(n) for n = 99306399 and 99306408.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (99306443) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 40072 + ... + 42477.

It is an arithmetic number, because the mean of its divisors is an integer number (16592550).

Almost surely, 2^99306447 is an apocalyptic number.

99306447 is a deficient number, since it is larger than the sum of its proper divisors (33433953).

99306447 is a wasteful number, since it uses less digits than its factorization.

99306447 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 82953.

The product of its (nonzero) digits is 163296, while the sum is 42.

The square root of 99306447 is about 9965.2620136151. The cubic root of 99306447 is about 463.0833303856.

The spelling of 99306447 in words is "ninety-nine million, three hundred six thousand, four hundred forty-seven".