99380098 has 4 divisors (see below), whose sum is σ = 149070150. Its totient is φ = 49690048.

The previous prime is 99380093. The next prime is 99380107. The reversal of 99380098 is 89008399.

It is a semiprime because it is the product of two primes, and also an emirpimes, since its reverse is a distinct semiprime: 89008399 = 1721 ⋅51719.

It can be written as a sum of positive squares in only one way, i.e., 68277169 + 31102929 = 8263^2 + 5577^2 .

It is not an unprimeable number, because it can be changed into a prime (99380093) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 24845023 + ... + 24845026.

Almost surely, 2^99380098 is an apocalyptic number.

99380098 is a deficient number, since it is larger than the sum of its proper divisors (49690052).

99380098 is a wasteful number, since it uses less digits than its factorization.

99380098 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 49690051.

The product of its (nonzero) digits is 139968, while the sum is 46.

The square root of 99380098 is about 9968.9567157251. The cubic root of 99380098 is about 463.1977845931.

The spelling of 99380098 in words is "ninety-nine million, three hundred eighty thousand, ninety-eight".