198345952 has 24 divisors (see below), whose sum is σ = 446278896. Its totient is φ = 85005312.

The previous prime is 198345947. The next prime is 198345989. The reversal of 198345952 is 259543891.

It is a super-2 number, since 2×198345952² = 78682233349572608, which contains 22 as substring.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 442513 + ... + 442960.

It is an arithmetic number, because the mean of its divisors is an integer number (18594954).

Almost surely, 2^198345952 is an apocalyptic number.

It is an amenable number.

198345952 is an abundant number, since it is smaller than the sum of its proper divisors (247932944).

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

198345952 is an equidigital number, since it uses as much as digits as its factorization.

198345952 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 885490 (or 885482 counting only the distinct ones).

The product of its digits is 388800, while the sum is 46.

The square root of 198345952 is about 14083.5347835691. The cubic root of 198345952 is about 583.1869275754.

The spelling of 198345952 in words is "one hundred ninety-eight million, three hundred forty-five thousand, nine hundred fifty-two".