198537212 has 12 divisors (see below), whose sum is σ = 354832800. Its totient is φ = 97156416.

The previous prime is 198537197. The next prime is 198537217. The reversal of 198537212 is 212735891.

It is a hoax number, since the sum of its digits (38) coincides with the sum of the digits of its distinct prime factors.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (198537217) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 527837 + ... + 528212.

It is an arithmetic number, because the mean of its divisors is an integer number (29569400).

Almost surely, 2^198537212 is an apocalyptic number.

It is an amenable number.

198537212 is a deficient number, since it is larger than the sum of its proper divisors (156295588).

198537212 is a wasteful number, since it uses less digits than its factorization.

198537212 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1056100 (or 1056098 counting only the distinct ones).

The product of its digits is 30240, while the sum is 38.

The square root of 198537212 is about 14090.3233461834. The cubic root of 198537212 is about 583.3743181725.

The spelling of 198537212 in words is "one hundred ninety-eight million, five hundred thirty-seven thousand, two hundred twelve".