199957048 has 8 divisors (see below), whose sum is σ = 374919480. Its totient is φ = 99978520.

The previous prime is 199957019. The next prime is 199957057. The reversal of 199957048 is 840759991.

It is a tau number, because it is divible by the number of its divisors (8).

It is a junction number, because it is equal to n+sod(n) for n = 199956986 and 199957004.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 12497308 + ... + 12497323.

It is an arithmetic number, because the mean of its divisors is an integer number (46864935).

Almost surely, 2^199957048 is an apocalyptic number.

It is an amenable number.

199957048 is a deficient number, since it is larger than the sum of its proper divisors (174962432).

199957048 is a wasteful number, since it uses less digits than its factorization.

199957048 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 24994637 (or 24994633 counting only the distinct ones).

The product of its (nonzero) digits is 816480, while the sum is 52.

The square root of 199957048 is about 14140.6169596662. The cubic root of 199957048 is about 584.7616805087.

The spelling of 199957048 in words is "one hundred ninety-nine million, nine hundred fifty-seven thousand, forty-eight".