99998930 has 16 divisors (see below), whose sum is σ = 190586520. Its totient is φ = 37646592.

The previous prime is 99998929. The next prime is 99998933. The reversal of 99998930 is 3989999.

It is a happy number.

It can be written as a sum of positive squares in 4 ways, for example, as 89624089 + 10374841 = 9467^2 + 3221^2 .

It is a super-2 number, since 2×99998930² = 19999572002289800, which contains 22 as substring.

It is not an unprimeable number, because it can be changed into a prime (99998933) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 293945 + ... + 294284.

Almost surely, 2^99998930 is an apocalyptic number.

99998930 is a deficient number, since it is larger than the sum of its proper divisors (90587590).

99998930 is a wasteful number, since it uses less digits than its factorization.

99998930 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 588253.

The product of its (nonzero) digits is 1417176, while the sum is 56.

The square root of 99998930 is about 9999.9464998569. The cubic root of 99998930 is about 464.1572278554.

The spelling of 99998930 in words is "ninety-nine million, nine hundred ninety-eight thousand, nine hundred thirty".