199099744 has 12 divisors (see below), whose sum is σ = 391977684. Its totient is φ = 99549856.

The previous prime is 199099739. The next prime is 199099751. The reversal of 199099744 is 447990991.

It is a junction number, because it is equal to n+sod(n) for n = 199099691 and 199099700.

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 3110902 + ... + 3110965.

It is an arithmetic number, because the mean of its divisors is an integer number (32664807).

Almost surely, 2^199099744 is an apocalyptic number.

It is an amenable number.

199099744 is a deficient number, since it is larger than the sum of its proper divisors (192877940).

199099744 is an equidigital number, since it uses as much as digits as its factorization.

199099744 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 6221877 (or 6221869 counting only the distinct ones).

The product of its (nonzero) digits is 734832, while the sum is 52.

The square root of 199099744 is about 14110.2708691223. The cubic root of 199099744 is about 583.9247729461.

The spelling of 199099744 in words is "one hundred ninety-nine million, ninety-nine thousand, seven hundred forty-four".