199895808 has 216 divisors, whose sum is σ = 647931648. Its totient is φ = 53581824.

The previous prime is 199895797. The next prime is 199895821. The reversal of 199895808 is 808598991.

It is a Harshad number since it is a multiple of its sum of digits (57).

It is an unprimeable number.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 1940685 + ... + 1940787.

Almost surely, 2^199895808 is an apocalyptic number.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 199895808, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (323965824).

199895808 is an abundant number, since it is smaller than the sum of its proper divisors (448035840).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

199895808 is a wasteful number, since it uses less digits than its factorization.

199895808 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 167 (or 134 counting only the distinct ones).

The product of its (nonzero) digits is 1866240, while the sum is 57.

The square root of 199895808 is about 14138.4514003479. The cubic root of 199895808 is about 584.7019769170.

The spelling of 199895808 in words is "one hundred ninety-nine million, eight hundred ninety-five thousand, eight hundred eight".