99105898 has 8 divisors (see below), whose sum is σ = 148714308. Its totient is φ = 49534464.

The previous prime is 99105893. The next prime is 99105913. The reversal of 99105898 is 89850199.

It is a happy number.

It can be written as a sum of positive squares in 2 ways, for example, as 96373489 + 2732409 = 9817^2 + 1653^2 .

It is a sphenic number, since it is the product of 3 distinct primes.

It is not an unprimeable number, because it can be changed into a prime (99105893) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 1111 + ... + 14122.

Almost surely, 2^99105898 is an apocalyptic number.

99105898 is a deficient number, since it is larger than the sum of its proper divisors (49608410).

99105898 is a wasteful number, since it uses less digits than its factorization.

99105898 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 18488.

The product of its (nonzero) digits is 233280, while the sum is 49.

The square root of 99105898 is about 9955.1945234636. The cubic root of 99105898 is about 462.7713886156.

The spelling of 99105898 in words is "ninety-nine million, one hundred five thousand, eight hundred ninety-eight".