199050400 has 36 divisors (see below), whose sum is σ = 485933742. Its totient is φ = 79619840.

The previous prime is 199050391. The next prime is 199050407. The reversal of 199050400 is 4050991.

It can be written as a sum of positive squares in 3 ways, for example, as 98168464 + 100881936 = 9908^2 + 10044^2 .

It is not an unprimeable number, because it can be changed into a prime (199050407) 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 in 5 ways as a sum of consecutive naturals, for example, 123607 + ... + 125206.

Almost surely, 2^199050400 is an apocalyptic number.

199050400 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

199050400 is an abundant number, since it is smaller than the sum of its proper divisors (286883342).

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

199050400 is a wasteful number, since it uses less digits than its factorization.

199050400 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 248833 (or 248820 counting only the distinct ones).

The product of its (nonzero) digits is 1620, while the sum is 28.

The square root of 199050400 is about 14108.5222472093. The cubic root of 199050400 is about 583.8765298493.

The spelling of 199050400 in words is "one hundred ninety-nine million, fifty thousand, four hundred".