198564832 has 12 divisors (see below), whose sum is σ = 390924576. Its totient is φ = 99282400.

The previous prime is 198564823. The next prime is 198564857. The reversal of 198564832 is 238465891.

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 3102544 + ... + 3102607.

It is an arithmetic number, because the mean of its divisors is an integer number (32577048).

Almost surely, 2^198564832 is an apocalyptic number.

It is an amenable number.

198564832 is a deficient number, since it is larger than the sum of its proper divisors (192359744).

198564832 is an equidigital number, since it uses as much as digits as its factorization.

198564832 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 6205161 (or 6205153 counting only the distinct ones).

The product of its digits is 414720, while the sum is 46.

The square root of 198564832 is about 14091.3034173564. The cubic root of 198564832 is about 583.4013694431.

It can be divided in two parts, 198564 and 832, that added together give a triangular number (199396 = T₆₃₁).

The spelling of 198564832 in words is "one hundred ninety-eight million, five hundred sixty-four thousand, eight hundred thirty-two".