199914854 has 8 divisors (see below), whose sum is σ = 302526360. Its totient is φ = 99072736.

The previous prime is 199914839. The next prime is 199914859. The reversal of 199914854 is 458419991.

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

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (199914859) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 442064 + ... + 442515.

It is an arithmetic number, because the mean of its divisors is an integer number (37815795).

Almost surely, 2^199914854 is an apocalyptic number.

199914854 is a deficient number, since it is larger than the sum of its proper divisors (102611506).

199914854 is a wasteful number, since it uses less digits than its factorization.

199914854 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 884694.

The product of its digits is 466560, while the sum is 50.

The square root of 199914854 is about 14139.1249375624. The cubic root of 199914854 is about 584.7205463913.

The spelling of 199914854 in words is "one hundred ninety-nine million, nine hundred fourteen thousand, eight hundred fifty-four".