198995996 has 6 divisors (see below), whose sum is σ = 348243000. Its totient is φ = 99497996.

The previous prime is 198995983. The next prime is 198996019. The reversal of 198995996 is 699599891.

198995996 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

198995996 is an esthetic number in base 12, because in such base its adjacent digits differ by 1.

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, 24874496 + ... + 24874503.

It is an arithmetic number, because the mean of its divisors is an integer number (58040500).

Almost surely, 2^198995996 is an apocalyptic number.

It is an amenable number.

198995996 is a deficient number, since it is larger than the sum of its proper divisors (149247004).

198995996 is a wasteful number, since it uses less digits than its factorization.

198995996 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 49749003 (or 49749001 counting only the distinct ones).

The product of its digits is 14171760, while the sum is 65.

The square root of 198995996 is about 14106.5940609348. The cubic root of 198995996 is about 583.8233304031.

It can be divided in two parts, 198995 and 996, that added together give a palindrome (199991).

The spelling of 198995996 in words is "one hundred ninety-eight million, nine hundred ninety-five thousand, nine hundred ninety-six".