99999846 has 56 divisors (see below), whose sum is σ = 227352744. Its totient is φ = 32970240.

The previous prime is 99999839. The next prime is 99999847. The reversal of 99999846 is 64899999.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (99999847) by changing a digit.

It is a polite number, since it can be written in 27 ways as a sum of consecutive naturals, for example, 155686 + ... + 156326.

Almost surely, 2^99999846 is an apocalyptic number.

It is a practical number, because each smaller number is the sum of distinct divisors of 99999846, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (113676372).

99999846 is an abundant number, since it is smaller than the sum of its proper divisors (127352898).

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

99999846 is a wasteful number, since it uses less digits than its factorization.

99999846 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 768 (or 753 counting only the distinct ones).

The product of its digits is 11337408, while the sum is 63.

The square root of 99999846 is about 9999.9922999970. The cubic root of 99999846 is about 464.1586450929.

The spelling of 99999846 in words is "ninety-nine million, nine hundred ninety-nine thousand, eight hundred forty-six".