199400 has 24 divisors (see below), whose sum is σ = 464070. Its totient is φ = 79680.

The previous prime is 199399. The next prime is 199403. The reversal of 199400 is 4991.

It can be written as a sum of positive squares in 3 ways, for example, as 178084 + 21316 = 422^2 + 146^2 .

It is not an unprimeable number, because it can be changed into a prime (199403) by changing a digit.

It is a polite number, since it can be written in 5 ways as a sum of consecutive naturals, for example, 299 + ... + 698.

2¹⁹⁹⁴⁰⁰ is an apocalyptic number.

199400 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

199400 is an abundant number, since it is smaller than the sum of its proper divisors (264670).

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

199400 is a wasteful number, since it uses less digits than its factorization.

199400 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1013 (or 1004 counting only the distinct ones).

The product of its (nonzero) digits is 324, while the sum is 23.

The square root of 199400 is about 446.5422712353. The cubic root of 199400 is about 58.4218158315.

The spelling of 199400 in words is "one hundred ninety-nine thousand, four hundred".