199062985 has 8 divisors (see below), whose sum is σ = 260591616. Its totient is φ = 144773040.

The previous prime is 199062977. The next prime is 199063031. The reversal of 199062985 is 589260991.

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

It is not a de Polignac number, because 199062985 - 2³ = 199062977 is a prime.

It is a super-2 number, since 2×199062985² = 79252143994220450, which contains 22 as substring.

It is a Duffinian number.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 1809609 + ... + 1809718.

It is an arithmetic number, because the mean of its divisors is an integer number (32573952).

Almost surely, 2^199062985 is an apocalyptic number.

It is an amenable number.

199062985 is a deficient number, since it is larger than the sum of its proper divisors (61528631).

199062985 is a wasteful number, since it uses less digits than its factorization.

199062985 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 3619343.

The product of its (nonzero) digits is 349920, while the sum is 49.

The square root of 199062985 is about 14108.9682471824. The cubic root of 199062985 is about 583.8888348255. Note that the first 4 decimals are identical.

The spelling of 199062985 in words is "one hundred ninety-nine million, sixty-two thousand, nine hundred eighty-five".