199649010 has 32 divisors (see below), whose sum is σ = 522718272. Its totient is φ = 48399680.

The previous prime is 199648987. The next prime is 199649033. The reversal of 199649010 is 10946991.

It is an interprime number because it is at equal distance from previous prime (199648987) and next prime (199649033).

It is a self number, because there is not a number n which added to its sum of digits gives 199649010.

It is an unprimeable number.

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 15 ways as a sum of consecutive naturals, for example, 302169 + ... + 302828.

It is an arithmetic number, because the mean of its divisors is an integer number (16334946).

Almost surely, 2^199649010 is an apocalyptic number.

199649010 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

199649010 is an abundant number, since it is smaller than the sum of its proper divisors (323069262).

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

199649010 is a wasteful number, since it uses less digits than its factorization.

199649010 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 605018.

The product of its (nonzero) digits is 17496, while the sum is 39.

The square root of 199649010 is about 14129.7208040357. The cubic root of 199649010 is about 584.4612469956.

The spelling of 199649010 in words is "one hundred ninety-nine million, six hundred forty-nine thousand, ten".