199232426 has 8 divisors (see below), whose sum is σ = 299095104. Its totient is φ = 99534060.

The previous prime is 199232413. The next prime is 199232431. The reversal of 199232426 is 624232991.

It is a happy number.

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

It is a self number, because there is not a number n which added to its sum of digits gives 199232426.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 38000 + ... + 42923.

It is an arithmetic number, because the mean of its divisors is an integer number (37386888).

Almost surely, 2^199232426 is an apocalyptic number.

199232426 is a deficient number, since it is larger than the sum of its proper divisors (99862678).

199232426 is a wasteful number, since it uses less digits than its factorization.

199232426 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 82156.

The product of its digits is 46656, while the sum is 38.

The square root of 199232426 is about 14114.9716967481. The cubic root of 199232426 is about 584.0544551867.

The spelling of 199232426 in words is "one hundred ninety-nine million, two hundred thirty-two thousand, four hundred twenty-six".