99906192 has 30 divisors (see below), whose sum is σ = 279598982. Its totient is φ = 33302016.

The previous prime is 99906167. The next prime is 99906193. The reversal of 99906192 is 29160999.

It is a happy number.

It can be written as a sum of positive squares in only one way, i.e., 62157456 + 37748736 = 7884^2 + 6144^2 .

It is not an unprimeable number, because it can be changed into a prime (99906193) 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 5 ways as a sum of consecutive naturals, for example, 346753 + ... + 347040.

Almost surely, 2^99906192 is an apocalyptic number.

It is an amenable number.

99906192 is an abundant number, since it is smaller than the sum of its proper divisors (179692790).

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

99906192 is a wasteful number, since it uses less digits than its factorization.

99906192 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 693807 (or 693798 counting only the distinct ones).

The product of its (nonzero) digits is 78732, while the sum is 45.

The square root of 99906192 is about 9995.3084994911. The cubic root of 99906192 is about 464.0136985651.

The spelling of 99906192 in words is "ninety-nine million, nine hundred six thousand, one hundred ninety-two".