99930842 has 16 divisors (see below), whose sum is σ = 172130400. Its totient is φ = 43032240.

The previous prime is 99930841. The next prime is 99930847. The reversal of 99930842 is 24803999.

It is a junction number, because it is equal to n+sod(n) for n = 99930793 and 99930802.

It is not an unprimeable number, because it can be changed into a prime (99930841) 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, 119117 + ... + 119952.

It is an arithmetic number, because the mean of its divisors is an integer number (10758150).

Almost surely, 2^99930842 is an apocalyptic number.

99930842 is a deficient number, since it is larger than the sum of its proper divisors (72199558).

99930842 is a wasteful number, since it uses less digits than its factorization.

99930842 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 239101.

The product of its (nonzero) digits is 139968, while the sum is 44.

The square root of 99930842 is about 9996.5415019396. The cubic root of 99930842 is about 464.0518576850.

The spelling of 99930842 in words is "ninety-nine million, nine hundred thirty thousand, eight hundred forty-two".