199241824 has 24 divisors (see below), whose sum is σ = 409313520. Its totient is φ = 95289216.

The previous prime is 199241807. The next prime is 199241827. The reversal of 199241824 is 428142991.

It is a Smith number, since the sum of its digits (40) coincides with the sum of the digits of its prime factors.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (199241827) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 134619 + ... + 136090.

It is an arithmetic number, because the mean of its divisors is an integer number (17054730).

Almost surely, 2^199241824 is an apocalyptic number.

It is an amenable number.

199241824 is an abundant number, since it is smaller than the sum of its proper divisors (210071696).

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

199241824 is a wasteful number, since it uses less digits than its factorization.

199241824 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 270742 (or 270734 counting only the distinct ones).

The product of its digits is 41472, while the sum is 40.

The square root of 199241824 is about 14115.3046017435. The cubic root of 199241824 is about 584.0636385270.

The spelling of 199241824 in words is "one hundred ninety-nine million, two hundred forty-one thousand, eight hundred twenty-four".