199849240 has 32 divisors (see below), whose sum is σ = 450113760. Its totient is φ = 79859200.

The previous prime is 199849213. The next prime is 199849241. The reversal of 199849240 is 42948991.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (199849241) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 52605 + ... + 56275.

It is an arithmetic number, because the mean of its divisors is an integer number (14066055).

Almost surely, 2^199849240 is an apocalyptic number.

199849240 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

199849240 is an abundant number, since it is smaller than the sum of its proper divisors (250264520).

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

199849240 is a wasteful number, since it uses less digits than its factorization.

199849240 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 5043 (or 5039 counting only the distinct ones).

The product of its (nonzero) digits is 186624, while the sum is 46.

The square root of 199849240 is about 14136.8044479649. The cubic root of 199849240 is about 584.6565690675.

The spelling of 199849240 in words is "one hundred ninety-nine million, eight hundred forty-nine thousand, two hundred forty".