99858950 has 12 divisors (see below), whose sum is σ = 185737740. Its totient is φ = 39943560.

The previous prime is 99858949. The next prime is 99858959. The reversal of 99858950 is 5985899.

It is a junction number, because it is equal to n+sod(n) for n = 99858892 and 99858901.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (99858959) by changing a digit.

It is a polite number, since it can be written in 5 ways as a sum of consecutive naturals, for example, 998540 + ... + 998639.

It is an arithmetic number, because the mean of its divisors is an integer number (15478145).

Almost surely, 2^99858950 is an apocalyptic number.

99858950 is a deficient number, since it is larger than the sum of its proper divisors (85878790).

99858950 is a wasteful number, since it uses less digits than its factorization.

99858950 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1997191 (or 1997186 counting only the distinct ones).

The product of its (nonzero) digits is 1166400, while the sum is 53.

The square root of 99858950 is about 9992.9450113568. The cubic root of 99858950 is about 463.9405486404.

The spelling of 99858950 in words is "ninety-nine million, eight hundred fifty-eight thousand, nine hundred fifty".