99994805 has 8 divisors (see below), whose sum is σ = 120099672. Its totient is φ = 79925248.

The previous prime is 99994801. The next prime is 99994819. The reversal of 99994805 is 50849999.

It can be written as a sum of positive squares in 4 ways, for example, as 29669809 + 70324996 = 5447^2 + 8386^2 .

It is a sphenic number, since it is the product of 3 distinct primes.

It is a cyclic number.

It is not a de Polignac number, because 99994805 - 2² = 99994801 is a prime.

It is a super-2 number, since 2×99994805² = 19997922053976050, which contains 22 as substring.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (99994801) 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 7 ways as a sum of consecutive naturals, for example, 2132 + ... + 14301.

It is an arithmetic number, because the mean of its divisors is an integer number (15012459).

Almost surely, 2^99994805 is an apocalyptic number.

It is an amenable number.

99994805 is a deficient number, since it is larger than the sum of its proper divisors (20104867).

99994805 is a wasteful number, since it uses less digits than its factorization.

99994805 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 17655.

The product of its (nonzero) digits is 1049760, while the sum is 53.

The square root of 99994805 is about 9999.7402466264. The cubic root of 99994805 is about 464.1508455374.

The spelling of 99994805 in words is "ninety-nine million, nine hundred ninety-four thousand, eight hundred five".