98999938 has 16 divisors (see below), whose sum is σ = 153445824. Its totient is φ = 47867760.

The previous prime is 98999917. The next prime is 98999963. The reversal of 98999938 is 83999989.

It is a self number, because there is not a number n which added to its sum of digits gives 98999938.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 8353 + ... + 16363.

It is an arithmetic number, because the mean of its divisors is an integer number (9590364).

Almost surely, 2^98999938 is an apocalyptic number.

98999938 is a deficient number, since it is larger than the sum of its proper divisors (54445886).

98999938 is a wasteful number, since it uses less digits than its factorization.

98999938 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 8217.

The product of its digits is 11337408, while the sum is 64.

The square root of 98999938 is about 9949.8712554485. The cubic root of 98999938 is about 462.6064043472.

The spelling of 98999938 in words is "ninety-eight million, nine hundred ninety-nine thousand, nine hundred thirty-eight".