199650408 has 32 divisors (see below), whose sum is σ = 499880160. Its totient is φ = 66449600.

The previous prime is 199650379. The next prime is 199650427. The reversal of 199650408 is 804056991.

It is a self number, because there is not a number n which added to its sum of digits gives 199650408.

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, 10891 + ... + 22757.

It is an arithmetic number, because the mean of its divisors is an integer number (15621255).

Almost surely, 2^199650408 is an apocalyptic number.

It is an amenable number.

199650408 is an abundant number, since it is smaller than the sum of its proper divisors (300229752).

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

199650408 is a wasteful number, since it uses less digits than its factorization.

199650408 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 12577 (or 12573 counting only the distinct ones).

The product of its (nonzero) digits is 77760, while the sum is 42.

The square root of 199650408 is about 14129.7702741410. The cubic root of 199650408 is about 584.4626111812.

The spelling of 199650408 in words is "one hundred ninety-nine million, six hundred fifty thousand, four hundred eight".