99994470 has 32 divisors (see below), whose sum is σ = 240295680. Its totient is φ = 26630880.

The previous prime is 99994379. The next prime is 99994471. The reversal of 99994470 is 7449999.

It is a Curzon number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (99994471) 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 15 ways as a sum of consecutive naturals, for example, 28935 + ... + 32205.

It is an arithmetic number, because the mean of its divisors is an integer number (7509240).

Almost surely, 2^99994470 is an apocalyptic number.

99994470 is an abundant number, since it is smaller than the sum of its proper divisors (140301210).

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

99994470 is a wasteful number, since it uses less digits than its factorization.

99994470 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 4300.

The product of its (nonzero) digits is 734832, while the sum is 51.

The square root of 99994470 is about 9999.7234961773. The cubic root of 99994470 is about 464.1503272081.

The spelling of 99994470 in words is "ninety-nine million, nine hundred ninety-four thousand, four hundred seventy".