198198036 has 48 divisors (see below), whose sum is σ = 544078080. Its totient is φ = 62179200.

The previous prime is 198198031. The next prime is 198198041. The reversal of 198198036 is 630891891.

It is an interprime number because it is at equal distance from previous prime (198198031) and next prime (198198041).

It is a super-2 number, since 2×198198036² = 78564922948514592, which contains 22 as substring.

It is a junction number, because it is equal to n+sod(n) for n = 198197982 and 198198000.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (198198031) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 52140 + ... + 55811.

It is an arithmetic number, because the mean of its divisors is an integer number (11334960).

Almost surely, 2^198198036 is an apocalyptic number.

It is an amenable number.

198198036 is an abundant number, since it is smaller than the sum of its proper divisors (345880044).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

198198036 is a wasteful number, since it uses less digits than its factorization.

198198036 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 107981 (or 107973 counting only the distinct ones).

The product of its (nonzero) digits is 93312, while the sum is 45.

The square root of 198198036 is about 14078.2824236481. The cubic root of 198198036 is about 583.0419214569.

The spelling of 198198036 in words is "one hundred ninety-eight million, one hundred ninety-eight thousand, thirty-six".