99805436 has 24 divisors (see below), whose sum is σ = 185685696. Its totient is φ = 46776320.

The previous prime is 99805429. The next prime is 99805463. The reversal of 99805436 is 63450899.

It is a super-2 number, since 2×99805436² = 19922250110300192, which contains 22 as substring.

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 7 ways as a sum of consecutive naturals, for example, 14621 + ... + 20331.

It is an arithmetic number, because the mean of its divisors is an integer number (7736904).

Almost surely, 2^99805436 is an apocalyptic number.

It is an amenable number.

99805436 is a deficient number, since it is larger than the sum of its proper divisors (85880260).

99805436 is a wasteful number, since it uses less digits than its factorization.

99805436 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 5989 (or 5987 counting only the distinct ones).

The product of its (nonzero) digits is 233280, while the sum is 44.

The square root of 99805436 is about 9990.2670634974. The cubic root of 99805436 is about 463.8576592222.

The spelling of 99805436 in words is "ninety-nine million, eight hundred five thousand, four hundred thirty-six".