198566348 has 6 divisors (see below), whose sum is σ = 347491116. Its totient is φ = 99283172.

The previous prime is 198566327. The next prime is 198566353. The reversal of 198566348 is 843665891.

It is a junction number, because it is equal to n+sod(n) for n = 198566296 and 198566305.

It is an unprimeable number.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 24820790 + ... + 24820797.

It is an arithmetic number, because the mean of its divisors is an integer number (57915186).

Almost surely, 2^198566348 is an apocalyptic number.

It is an amenable number.

198566348 is a deficient number, since it is larger than the sum of its proper divisors (148924768).

198566348 is a wasteful number, since it uses less digits than its factorization.

198566348 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 49641591 (or 49641589 counting only the distinct ones).

The product of its digits is 1244160, while the sum is 50.

The square root of 198566348 is about 14091.3572092968. The cubic root of 198566348 is about 583.4028541542.

The spelling of 198566348 in words is "one hundred ninety-eight million, five hundred sixty-six thousand, three hundred forty-eight".