199291552 has 12 divisors (see below), whose sum is σ = 392355306. Its totient is φ = 99645760.

The previous prime is 199291531. The next prime is 199291553. The reversal of 199291552 is 255192991.

It can be written as a sum of positive squares in only one way, i.e., 198133776 + 1157776 = 14076^2 + 1076^2 .

It is a junction number, because it is equal to n+sod(n) for n = 199291499 and 199291508.

It is not an unprimeable number, because it can be changed into a prime (199291553) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 3113899 + ... + 3113962.

Almost surely, 2^199291552 is an apocalyptic number.

It is an amenable number.

199291552 is a deficient number, since it is larger than the sum of its proper divisors (193063754).

199291552 is an equidigital number, since it uses as much as digits as its factorization.

199291552 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 6227871 (or 6227863 counting only the distinct ones).

The product of its digits is 72900, while the sum is 43.

The square root of 199291552 is about 14117.0659841201. The cubic root of 199291552 is about 584.1122258835.

The spelling of 199291552 in words is "one hundred ninety-nine million, two hundred ninety-one thousand, five hundred fifty-two".