99983798 has 8 divisors (see below), whose sum is σ = 151156992. Its totient is φ = 49598136.

The previous prime is 99983797. The next prime is 99983837. The reversal of 99983798 is 89738999.

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

It is a self number, because there is not a number n which added to its sum of digits gives 99983798.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (99983797) 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, 196565 + ... + 197072.

It is an arithmetic number, because the mean of its divisors is an integer number (18894624).

Almost surely, 2^99983798 is an apocalyptic number.

99983798 is a deficient number, since it is larger than the sum of its proper divisors (51173194).

99983798 is a wasteful number, since it uses less digits than its factorization.

99983798 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 393766.

The product of its digits is 8817984, while the sum is 62.

The square root of 99983798 is about 9999.1898671842. The cubic root of 99983798 is about 464.1338143332.

The spelling of 99983798 in words is "ninety-nine million, nine hundred eighty-three thousand, seven hundred ninety-eight".