199373994 has 64 divisors (see below), whose sum is σ = 474163200. Its totient is φ = 61876224.

The previous prime is 199373983. The next prime is 199374001. The reversal of 199373994 is 499373991.

199373994 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a Harshad number since it is a multiple of its sum of digits (54).

It is a self number, because there is not a number n which added to its sum of digits gives 199373994.

It is an unprimeable number.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 87927 + ... + 90165.

It is an arithmetic number, because the mean of its divisors is an integer number (7408800).

Almost surely, 2^199373994 is an apocalyptic number.

It is a practical number, because each smaller number is the sum of distinct divisors of 199373994, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (237081600).

199373994 is an abundant number, since it is smaller than the sum of its proper divisors (274789206).

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

199373994 is a wasteful number, since it uses less digits than its factorization.

199373994 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2364 (or 2358 counting only the distinct ones).

The product of its digits is 1653372, while the sum is 54.

The square root of 199373994 is about 14119.9856232221. The cubic root of 199373994 is about 584.1927590537.

The spelling of 199373994 in words is "one hundred ninety-nine million, three hundred seventy-three thousand, nine hundred ninety-four".