99994566 has 32 divisors (see below), whose sum is σ = 231459840. Its totient is φ = 28207296.

The previous prime is 99994553. The next prime is 99994567. The reversal of 99994566 is 66549999.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (99994567) 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, 11751 + ... + 18386.

It is an arithmetic number, because the mean of its divisors is an integer number (7233120).

Almost surely, 2^99994566 is an apocalyptic number.

99994566 is an abundant number, since it is smaller than the sum of its proper divisors (131465274).

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

99994566 is a wasteful number, since it uses less digits than its factorization.

99994566 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 30228.

The product of its digits is 4723920, while the sum is 57.

The square root of 99994566 is about 9999.7282963089. The cubic root of 99994566 is about 464.1504757444.

The spelling of 99994566 in words is "ninety-nine million, nine hundred ninety-four thousand, five hundred sixty-six".