199400704 has 54 divisors (see below), whose sum is σ = 408159206. Its totient is φ = 97198080.

The previous prime is 199400699. The next prime is 199400737. The reversal of 199400704 is 407004991.

It can be written as a sum of positive squares in 3 ways, for example, as 56550400 + 142850304 = 7520^2 + 11952^2 .

It is a self number, because there is not a number n which added to its sum of digits gives 199400704.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 5 ways as a sum of consecutive naturals, for example, 1764552 + ... + 1764664.

Almost surely, 2^199400704 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 199400704, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (204079603).

199400704 is an abundant number, since it is smaller than the sum of its proper divisors (208758502).

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

199400704 is an frugal number, since it uses more digits than its factorization.

199400704 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 303 (or 176 counting only the distinct ones).

The product of its (nonzero) digits is 9072, while the sum is 34.

The square root of 199400704 is about 14120.9314140392. The cubic root of 199400704 is about 584.2188458592.

The spelling of 199400704 in words is "one hundred ninety-nine million, four hundred thousand, seven hundred four".