199304942 has 4 divisors (see below), whose sum is σ = 298957416. Its totient is φ = 99652470.

The previous prime is 199304879. The next prime is 199304999. The reversal of 199304942 is 249403991.

It is a semiprime because it is the product of two primes.

It is a self number, because there is not a number n which added to its sum of digits gives 199304942.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 49826234 + ... + 49826237.

It is an arithmetic number, because the mean of its divisors is an integer number (74739354).

Almost surely, 2^199304942 is an apocalyptic number.

199304942 is a deficient number, since it is larger than the sum of its proper divisors (99652474).

199304942 is an equidigital number, since it uses as much as digits as its factorization.

199304942 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 99652473.

The product of its (nonzero) digits is 69984, while the sum is 41.

The square root of 199304942 is about 14117.5402248409. The cubic root of 199304942 is about 584.1253073672.

The spelling of 199304942 in words is "one hundred ninety-nine million, three hundred four thousand, nine hundred forty-two".