99856450 has 12 divisors (see below), whose sum is σ = 185733090. Its totient is φ = 39942560.

The previous prime is 99856439. The next prime is 99856469. The reversal of 99856450 is 5465899.

It can be written as a sum of positive squares in 3 ways, for example, as 93760489 + 6095961 = 9683^2 + 2469^2 .

It is a super-3 number, since 3×99856450³ (a number of 25 digits) contains 333 as substring.

It is a self number, because there is not a number n which added to its sum of digits gives 99856450.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 5 ways as a sum of consecutive naturals, for example, 998515 + ... + 998614.

Almost surely, 2^99856450 is an apocalyptic number.

99856450 is a deficient number, since it is larger than the sum of its proper divisors (85876640).

99856450 is a wasteful number, since it uses less digits than its factorization.

99856450 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1997141 (or 1997136 counting only the distinct ones).

The product of its (nonzero) digits is 388800, while the sum is 46.

The square root of 99856450 is about 9992.8199223242. The cubic root of 99856450 is about 463.9366769759.

The spelling of 99856450 in words is "ninety-nine million, eight hundred fifty-six thousand, four hundred fifty".