199915848 has 48 divisors (see below), whose sum is σ = 590662800. Its totient is φ = 60580320.

The previous prime is 199915843. The next prime is 199915861. The reversal of 199915848 is 848519991.

It is a junction number, because it is equal to n+sod(n) for n = 199915794 and 199915803.

It is not an unprimeable number, because it can be changed into a prime (199915843) by changing a digit.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 125418 + ... + 127001.

It is an arithmetic number, because the mean of its divisors is an integer number (12305475).

Almost surely, 2^199915848 is an apocalyptic number.

199915848 is a gapful number since it is divisible by the number (18) formed by its first and last digit.

It is an amenable number.

199915848 is an abundant number, since it is smaller than the sum of its proper divisors (390746952).

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

199915848 is a wasteful number, since it uses less digits than its factorization.

199915848 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 252442 (or 252435 counting only the distinct ones).

The product of its digits is 933120, while the sum is 54.

The square root of 199915848 is about 14139.1600882089. The cubic root of 199915848 is about 584.7215154893.

The spelling of 199915848 in words is "one hundred ninety-nine million, nine hundred fifteen thousand, eight hundred forty-eight".