99900098 has 16 divisors (see below), whose sum is σ = 155640960. Its totient is φ = 48056016.

The previous prime is 99900091. The next prime is 99900107. The reversal of 99900098 is 89000999.

It is not an unprimeable number, because it can be changed into a prime (99900091) 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, 3461 + ... + 14552.

It is an arithmetic number, because the mean of its divisors is an integer number (9727560).

Almost surely, 2^99900098 is an apocalyptic number.

99900098 is a deficient number, since it is larger than the sum of its proper divisors (55740862).

99900098 is a wasteful number, since it uses less digits than its factorization.

99900098 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 18121.

The product of its (nonzero) digits is 52488, while the sum is 44.

The square root of 99900098 is about 9995.0036518252. The cubic root of 99900098 is about 464.0042638580.

The spelling of 99900098 in words is "ninety-nine million, nine hundred thousand, ninety-eight".