199442814 has 32 divisors (see below), whose sum is σ = 405210624. Its totient is φ = 65435040.

The previous prime is 199442813. The next prime is 199442849. The reversal of 199442814 is 418244991.

It is a happy number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (199442813) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 110967 + ... + 112749.

It is an arithmetic number, because the mean of its divisors is an integer number (12662832).

Almost surely, 2^199442814 is an apocalyptic number.

199442814 is an abundant number, since it is smaller than the sum of its proper divisors (205767810).

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

199442814 is a wasteful number, since it uses less digits than its factorization.

199442814 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2072.

The product of its digits is 82944, while the sum is 42.

The square root of 199442814 is about 14122.4223842795. The cubic root of 199442814 is about 584.2599686228.

The spelling of 199442814 in words is "one hundred ninety-nine million, four hundred forty-two thousand, eight hundred fourteen".