99830998 has 4 divisors (see below), whose sum is σ = 149746500. Its totient is φ = 49915498.

The previous prime is 99830981. The next prime is 99831001. The reversal of 99830998 is 89903899.

It is a semiprime because it is the product of two primes, and also an emirpimes, since its reverse is a distinct semiprime: 89903899 = 3559 ⋅25261.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 24957748 + ... + 24957751.

It is an arithmetic number, because the mean of its divisors is an integer number (37436625).

Almost surely, 2^99830998 is an apocalyptic number.

99830998 is a deficient number, since it is larger than the sum of its proper divisors (49915502).

99830998 is a wasteful number, since it uses less digits than its factorization.

99830998 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 49915501.

The product of its (nonzero) digits is 1259712, while the sum is 55.

The square root of 99830998 is about 9991.5463267704. The cubic root of 99830998 is about 463.8972566557.

The spelling of 99830998 in words is "ninety-nine million, eight hundred thirty thousand, nine hundred ninety-eight".