99911098 has 16 divisors (see below), whose sum is σ = 174772800. Its totient is φ = 42818748.

The previous prime is 99911093. The next prime is 99911183. The reversal of 99911098 is 89011999.

It is a Smith number, since the sum of its digits (46) coincides with the sum of the digits of its prime factors.

It is not an unprimeable number, because it can be changed into a prime (99911093) 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, 72136 + ... + 73507.

It is an arithmetic number, because the mean of its divisors is an integer number (10923300).

Almost surely, 2^99911098 is an apocalyptic number.

99911098 is a gapful number since it is divisible by the number (98) formed by its first and last digit.

99911098 is a deficient number, since it is larger than the sum of its proper divisors (74861702).

99911098 is a wasteful number, since it uses less digits than its factorization.

99911098 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 145666 (or 145652 counting only the distinct ones).

The product of its (nonzero) digits is 52488, while the sum is 46.

The square root of 99911098 is about 9995.5539116149. The cubic root of 99911098 is about 464.0212937364.

The spelling of 99911098 in words is "ninety-nine million, nine hundred eleven thousand, ninety-eight".