198088596 has 18 divisors (see below), whose sum is σ = 500724042. Its totient is φ = 66029520.

The previous prime is 198088591. The next prime is 198088601. The reversal of 198088596 is 695880891.

It is an interprime number because it is at equal distance from previous prime (198088591) and next prime (198088601).

It can be written as a sum of positive squares in only one way, i.e., 155002500 + 43086096 = 12450^2 + 6564^2 .

It is a tau number, because it is divible by the number of its divisors (18).

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (198088591) by changing a digit.

It is a polite number, since it can be written in 5 ways as a sum of consecutive naturals, for example, 2751195 + ... + 2751266.

Almost surely, 2^198088596 is an apocalyptic number.

It is an amenable number.

198088596 is an abundant number, since it is smaller than the sum of its proper divisors (302635446).

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

198088596 is a wasteful number, since it uses less digits than its factorization.

198088596 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 5502471 (or 5502466 counting only the distinct ones).

The product of its (nonzero) digits is 1244160, while the sum is 54.

The square root of 198088596 is about 14074.3950491664. The cubic root of 198088596 is about 582.9345879751.

The spelling of 198088596 in words is "one hundred ninety-eight million, eighty-eight thousand, five hundred ninety-six".