83198804 has 12 divisors (see below), whose sum is σ = 156797844. Its totient is φ = 38399424.

The previous prime is 83198779. The next prime is 83198807. The reversal of 83198804 is 40889138.

It can be written as a sum of positive squares in 2 ways, for example, as 42876304 + 40322500 = 6548^2 + 6350^2 .

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (83198807) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 799937 + ... + 800040.

It is an arithmetic number, because the mean of its divisors is an integer number (13066487).

Almost surely, 2^83198804 is an apocalyptic number.

It is an amenable number.

83198804 is a deficient number, since it is larger than the sum of its proper divisors (73599040).

83198804 is a wasteful number, since it uses less digits than its factorization.

83198804 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1599994 (or 1599992 counting only the distinct ones).

The product of its (nonzero) digits is 55296, while the sum is 41.

The square root of 83198804 is about 9121.3378404706. The cubic root of 83198804 is about 436.5550613781. Note that the first 3 decimals are identical.

The spelling of 83198804 in words is "eighty-three million, one hundred ninety-eight thousand, eight hundred four".