99312098 has 4 divisors (see below), whose sum is σ = 148968150. Its totient is φ = 49656048.

The previous prime is 99312097. The next prime is 99312121. The reversal of 99312098 is 89021399.

It is a semiprime because it is the product of two primes, and also an emirpimes, since its reverse is a distinct semiprime: 89021399 = 523 ⋅170213.

It can be written as a sum of positive squares in only one way, i.e., 56055169 + 43256929 = 7487^2 + 6577^2 .

It is a Curzon number.

It is not an unprimeable number, because it can be changed into a prime (99312097) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 24828023 + ... + 24828026.

Almost surely, 2^99312098 is an apocalyptic number.

99312098 is a deficient number, since it is larger than the sum of its proper divisors (49656052).

99312098 is a wasteful number, since it uses less digits than its factorization.

99312098 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 49656051.

The product of its (nonzero) digits is 34992, while the sum is 41.

The square root of 99312098 is about 9965.5455445249. The cubic root of 99312098 is about 463.0921140861.

The spelling of 99312098 in words is "ninety-nine million, three hundred twelve thousand, ninety-eight".