99818210 has 16 divisors (see below), whose sum is σ = 189129600. Its totient is φ = 37825776.

The previous prime is 99818209. The next prime is 99818219. The reversal of 99818210 is 1281899.

It is a Harshad number since it is a multiple of its sum of digits (38).

It is not an unprimeable number, because it can be changed into a prime (99818219) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 262490 + ... + 262869.

It is an arithmetic number, because the mean of its divisors is an integer number (11820600).

Almost surely, 2^99818210 is an apocalyptic number.

99818210 is a deficient number, since it is larger than the sum of its proper divisors (89311390).

99818210 is a wasteful number, since it uses less digits than its factorization.

99818210 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 525385.

The product of its (nonzero) digits is 10368, while the sum is 38.

The square root of 99818210 is about 9990.9063652904. The cubic root of 99818210 is about 463.8774479405.

The spelling of 99818210 in words is "ninety-nine million, eight hundred eighteen thousand, two hundred ten".