199734884 has 6 divisors (see below), whose sum is σ = 349536054. Its totient is φ = 99867440.

The previous prime is 199734881. The next prime is 199734911. The reversal of 199734884 is 488437991.

It can be written as a sum of positive squares in only one way, i.e., 183006784 + 16728100 = 13528^2 + 4090^2 .

It is not an unprimeable number, because it can be changed into a prime (199734881) by changing a digit.

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, 24966857 + ... + 24966864.

It is an arithmetic number, because the mean of its divisors is an integer number (58256009).

Almost surely, 2^199734884 is an apocalyptic number.

It is an amenable number.

199734884 is a deficient number, since it is larger than the sum of its proper divisors (149801170).

199734884 is a wasteful number, since it uses less digits than its factorization.

199734884 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 49933725 (or 49933723 counting only the distinct ones).

The product of its digits is 1741824, while the sum is 53.

The square root of 199734884 is about 14132.7592493469. The cubic root of 199734884 is about 584.5450320857.

The spelling of 199734884 in words is "one hundred ninety-nine million, seven hundred thirty-four thousand, eight hundred eighty-four".