199244370 has 96 divisors (see below), whose sum is σ = 531824832. Its totient is φ = 47464704.

The previous prime is 199244359. The next prime is 199244387. The reversal of 199244370 is 73442991.

It is a Harshad number since it is a multiple of its sum of digits (39).

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 47 ways as a sum of consecutive naturals, for example, 1827876 + ... + 1827984.

It is an arithmetic number, because the mean of its divisors is an integer number (5539842).

Almost surely, 2^199244370 is an apocalyptic number.

199244370 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is a practical number, because each smaller number is the sum of distinct divisors of 199244370, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (265912416).

199244370 is an abundant number, since it is smaller than the sum of its proper divisors (332580462).

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

199244370 is a wasteful number, since it uses less digits than its factorization.

199244370 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 284 (or 175 counting only the distinct ones).

The product of its (nonzero) digits is 54432, while the sum is 39.

The square root of 199244370 is about 14115.3947872527. The cubic root of 199244370 is about 584.0661263241.

The spelling of 199244370 in words is "one hundred ninety-nine million, two hundred forty-four thousand, three hundred seventy".