99630242 has 8 divisors (see below), whose sum is σ = 149493036. Its totient is φ = 49799232.

The previous prime is 99630241. The next prime is 99630259. The reversal of 99630242 is 24203699.

It can be written as a sum of positive squares in 2 ways, for example, as 90992521 + 8637721 = 9539^2 + 2939^2 .

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

It is not an unprimeable number, because it can be changed into a prime (99630241) 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 3 ways as a sum of consecutive naturals, for example, 2798 + ... + 14390.

Almost surely, 2^99630242 is an apocalyptic number.

99630242 is a deficient number, since it is larger than the sum of its proper divisors (49862794).

99630242 is a wasteful number, since it uses less digits than its factorization.

99630242 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 15892.

The product of its (nonzero) digits is 23328, while the sum is 35.

The square root of 99630242 is about 9981.4949782084. The cubic root of 99630242 is about 463.5860885940.

The spelling of 99630242 in words is "ninety-nine million, six hundred thirty thousand, two hundred forty-two".