199703448 has 128 divisors (see below), whose sum is σ = 637632000. Its totient is φ = 56730240.

The previous prime is 199703429. The next prime is 199703461. The reversal of 199703448 is 844307991.

It is a congruent number.

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 31 ways as a sum of consecutive naturals, for example, 406483 + ... + 406973.

It is an arithmetic number, because the mean of its divisors is an integer number (4981500).

Almost surely, 2^199703448 is an apocalyptic number.

199703448 is a gapful number since it is divisible by the number (18) formed by its first and last digit.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 199703448, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (318816000).

199703448 is an abundant number, since it is smaller than the sum of its proper divisors (437928552).

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

199703448 is a wasteful number, since it uses less digits than its factorization.

199703448 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 782 (or 772 counting only the distinct ones).

The product of its (nonzero) digits is 217728, while the sum is 45.

The square root of 199703448 is about 14131.6470377660. The cubic root of 199703448 is about 584.5143635625.

The spelling of 199703448 in words is "one hundred ninety-nine million, seven hundred three thousand, four hundred forty-eight".