198535604 has 6 divisors (see below), whose sum is σ = 347437314. Its totient is φ = 99267800.

The previous prime is 198535583. The next prime is 198535607. The reversal of 198535604 is 406535891.

It can be written as a sum of positive squares in only one way, i.e., 119858704 + 78676900 = 10948^2 + 8870^2 .

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (198535607) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 24816947 + ... + 24816954.

It is an arithmetic number, because the mean of its divisors is an integer number (57906219).

Almost surely, 2^198535604 is an apocalyptic number.

It is an amenable number.

198535604 is a deficient number, since it is larger than the sum of its proper divisors (148901710).

198535604 is a wasteful number, since it uses less digits than its factorization.

198535604 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 49633905 (or 49633903 counting only the distinct ones).

The product of its (nonzero) digits is 129600, while the sum is 41.

The square root of 198535604 is about 14090.2662856314. The cubic root of 198535604 is about 583.3727432059.

The spelling of 198535604 in words is "one hundred ninety-eight million, five hundred thirty-five thousand, six hundred four".