98999984 has 10 divisors (see below), whose sum is σ = 191812500. Its totient is φ = 49499984.

The previous prime is 98999983. The next prime is 98999987. The reversal of 98999984 is 48999989.

It is a self number, because there is not a number n which added to its sum of digits gives 98999984.

It is not an unprimeable number, because it can be changed into a prime (98999983) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 3093734 + ... + 3093765.

It is an arithmetic number, because the mean of its divisors is an integer number (19181250).

Almost surely, 2^98999984 is an apocalyptic number.

It is an amenable number.

98999984 is a deficient number, since it is larger than the sum of its proper divisors (92812516).

98999984 is a wasteful number, since it uses less digits than its factorization.

98999984 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 6187507 (or 6187501 counting only the distinct ones).

The product of its digits is 15116544, while the sum is 65.

The square root of 98999984 is about 9949.8735670359. The cubic root of 98999984 is about 462.6064759967.

The spelling of 98999984 in words is "ninety-eight million, nine hundred ninety-nine thousand, nine hundred eighty-four".