199630372 has 12 divisors (see below), whose sum is σ = 351904140. Its totient is φ = 99086336.

The previous prime is 199630313. The next prime is 199630373. The reversal of 199630372 is 273036991.

199630372 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It can be written as a sum of positive squares in 2 ways, for example, as 130507776 + 69122596 = 11424^2 + 8314^2 .

It is not an unprimeable number, because it can be changed into a prime (199630373) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 181597 + ... + 182692.

It is an arithmetic number, because the mean of its divisors is an integer number (29325345).

Almost surely, 2^199630372 is an apocalyptic number.

It is an amenable number.

199630372 is a deficient number, since it is larger than the sum of its proper divisors (152273768).

199630372 is a wasteful number, since it uses less digits than its factorization.

199630372 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 364430 (or 364428 counting only the distinct ones).

The product of its (nonzero) digits is 61236, while the sum is 40.

The square root of 199630372 is about 14129.0612568564. The cubic root of 199630372 is about 584.4430591974.

It can be divided in two parts, 199630 and 372, that added together give a palindrome (200002).

The spelling of 199630372 in words is "one hundred ninety-nine million, six hundred thirty thousand, three hundred seventy-two".