99939294 has 192 divisors, whose sum is σ = 292795776. Its totient is φ = 23887872.

The previous prime is 99939293. The next prime is 99939317. The reversal of 99939294 is 49293999.

It is a Curzon number.

It is a self number, because there is not a number n which added to its sum of digits gives 99939294.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (99939293) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 95 ways as a sum of consecutive naturals, for example, 1030254 + ... + 1030350.

It is an arithmetic number, because the mean of its divisors is an integer number (1524978).

Almost surely, 2^99939294 is an apocalyptic number.

It is a practical number, because each smaller number is the sum of distinct divisors of 99939294, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (146397888).

99939294 is an abundant number, since it is smaller than the sum of its proper divisors (192856482).

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

99939294 is a wasteful number, since it uses less digits than its factorization.

99939294 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 179 (or 176 counting only the distinct ones).

The product of its digits is 1417176, while the sum is 54.

The square root of 99939294 is about 9996.9642392078. The cubic root of 99939294 is about 464.0649402518.

The spelling of 99939294 in words is "ninety-nine million, nine hundred thirty-nine thousand, two hundred ninety-four".