99999344 has 10 divisors (see below), whose sum is σ = 193748760. Its totient is φ = 49999664.

The previous prime is 99999343. The next prime is 99999353. The reversal of 99999344 is 44399999.

It is a happy number.

It is a self number, because there is not a number n which added to its sum of digits gives 99999344.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (99999343) 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 as a sum of consecutive naturals, namely, 3124964 + ... + 3124995.

It is an arithmetic number, because the mean of its divisors is an integer number (19374876).

Almost surely, 2^99999344 is an apocalyptic number.

It is an amenable number.

99999344 is a deficient number, since it is larger than the sum of its proper divisors (93749416).

99999344 is a wasteful number, since it uses less digits than its factorization.

99999344 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 6249967 (or 6249961 counting only the distinct ones).

The product of its digits is 2834352, while the sum is 56.

The square root of 99999344 is about 9999.9671999462. The cubic root of 99999344 is about 464.1578683983.

The spelling of 99999344 in words is "ninety-nine million, nine hundred ninety-nine thousand, three hundred forty-four".