199027650 has 96 divisors (see below), whose sum is σ = 514609920. Its totient is φ = 50863680.

The previous prime is 199027639. The next prime is 199027663. The reversal of 199027650 is 56720991.

It is a super-2 number, since 2×199027650² = 79224010929045000, which contains 22 as substring.

It is a junction number, because it is equal to n+sod(n) for n = 199027599 and 199027608.

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 47 ways as a sum of consecutive naturals, for example, 380289 + ... + 380811.

It is an arithmetic number, because the mean of its divisors is an integer number (5360520).

Almost surely, 2^199027650 is an apocalyptic number.

199027650 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is a practical number, because each smaller number is the sum of distinct divisors of 199027650, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (257304960).

199027650 is an abundant number, since it is smaller than the sum of its proper divisors (315582270).

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

199027650 is a wasteful number, since it uses less digits than its factorization.

199027650 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 640 (or 635 counting only the distinct ones).

The product of its (nonzero) digits is 34020, while the sum is 39.

The square root of 199027650 is about 14107.7159738917. The cubic root of 199027650 is about 583.8542847343.

The spelling of 199027650 in words is "one hundred ninety-nine million, twenty-seven thousand, six hundred fifty".