99994830 has 64 divisors (see below), whose sum is σ = 260850240. Its totient is φ = 24385536.

The previous prime is 99994819. The next prime is 99994849. The reversal of 99994830 is 3849999.

It is a Curzon number.

It is a congruent number.

It is an unprimeable number.

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 31 ways as a sum of consecutive naturals, for example, 42936 + ... + 45204.

It is an arithmetic number, because the mean of its divisors is an integer number (4075785).

Almost surely, 2^99994830 is an apocalyptic number.

It is a practical number, because each smaller number is the sum of distinct divisors of 99994830, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (130425120).

99994830 is an abundant number, since it is smaller than the sum of its proper divisors (160855410).

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

99994830 is a wasteful number, since it uses less digits than its factorization.

99994830 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2405.

The product of its (nonzero) digits is 629856, while the sum is 51.

The square root of 99994830 is about 9999.7414966588. The cubic root of 99994830 is about 464.1508842187.

The spelling of 99994830 in words is "ninety-nine million, nine hundred ninety-four thousand, eight hundred thirty".