199046242 has 8 divisors (see below), whose sum is σ = 314283600. Its totient is φ = 94285044.

The previous prime is 199046219. The next prime is 199046279. The reversal of 199046242 is 242640991.

It is a happy number.

It is a sphenic number, since it is the product of 3 distinct primes.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 2618992 + ... + 2619067.

It is an arithmetic number, because the mean of its divisors is an integer number (39285450).

Almost surely, 2^199046242 is an apocalyptic number.

199046242 is a deficient number, since it is larger than the sum of its proper divisors (115237358).

199046242 is a wasteful number, since it uses less digits than its factorization.

199046242 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 5238080.

The product of its (nonzero) digits is 31104, while the sum is 37.

The square root of 199046242 is about 14108.3748886964. The cubic root of 199046242 is about 583.8724642533.

The spelling of 199046242 in words is "one hundred ninety-nine million, forty-six thousand, two hundred forty-two".