99994565 has 16 divisors (see below), whose sum is σ = 133949376. Its totient is φ = 71030400.

The previous prime is 99994553. The next prime is 99994567. The reversal of 99994565 is 56549999.

It is not a de Polignac number, because 99994565 - 2⁸ = 99994309 is a prime.

It is a self number, because there is not a number n which added to its sum of digits gives 99994565.

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, 18776 + ... + 23505.

It is an arithmetic number, because the mean of its divisors is an integer number (8371836).

Almost surely, 2^99994565 is an apocalyptic number.

It is an amenable number.

99994565 is a deficient number, since it is larger than the sum of its proper divisors (33954811).

99994565 is a wasteful number, since it uses less digits than its factorization.

99994565 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 42340.

The product of its digits is 3936600, while the sum is 56.

The square root of 99994565 is about 9999.7282463075. The cubic root of 99994565 is about 464.1504741972.

The spelling of 99994565 in words is "ninety-nine million, nine hundred ninety-four thousand, five hundred sixty-five".