99998412 has 24 divisors (see below), whose sum is σ = 233807616. Its totient is φ = 33264528.

The previous prime is 99998377. The next prime is 99998413. The reversal of 99998412 is 21489999.

It is a happy number.

It is not an unprimeable number, because it can be changed into a prime (99998413) 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, 2248 + ... + 14319.

It is an arithmetic number, because the mean of its divisors is an integer number (9741984).

Almost surely, 2^99998412 is an apocalyptic number.

It is an amenable number.

99998412 is an abundant number, since it is smaller than the sum of its proper divisors (133809204).

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

99998412 is a wasteful number, since it uses less digits than its factorization.

99998412 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 17077 (or 17075 counting only the distinct ones).

The product of its digits is 419904, while the sum is 51.

The square root of 99998412 is about 9999.9205996848. The cubic root of 99998412 is about 464.1564264006.

The spelling of 99998412 in words is "ninety-nine million, nine hundred ninety-eight thousand, four hundred twelve".