199374952 has 64 divisors (see below), whose sum is σ = 437184000. Its totient is φ = 83483136.

The previous prime is 199374949. The next prime is 199374953. The reversal of 199374952 is 259473991.

It is a junction number, because it is equal to n+sod(n) for n = 199374896 and 199374905.

It is not an unprimeable number, because it can be changed into a prime (199374953) 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 15 ways as a sum of consecutive naturals, for example, 543073 + ... + 543439.

It is an arithmetic number, because the mean of its divisors is an integer number (6831000).

Almost surely, 2^199374952 is an apocalyptic number.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 199374952, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (218592000).

199374952 is an abundant number, since it is smaller than the sum of its proper divisors (237809048).

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

199374952 is a wasteful number, since it uses less digits than its factorization.

199374952 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 578 (or 574 counting only the distinct ones).

The product of its digits is 612360, while the sum is 49.

The square root of 199374952 is about 14120.0195467287. The cubic root of 199374952 is about 584.1936947420.

The spelling of 199374952 in words is "one hundred ninety-nine million, three hundred seventy-four thousand, nine hundred fifty-two".