199370292 has 48 divisors (see below), whose sum is σ = 515085312. Its totient is φ = 59510880.

The previous prime is 199370257. The next prime is 199370293. The reversal of 199370292 is 292073991.

It is a happy number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (199370293) by changing a digit.

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 15 ways as a sum of consecutive naturals, for example, 2428 + ... + 20115.

It is an arithmetic number, because the mean of its divisors is an integer number (10730944).

Almost surely, 2^199370292 is an apocalyptic number.

199370292 is a gapful number since it is divisible by the number (12) formed by its first and last digit.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 199370292, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (257542656).

199370292 is an abundant number, since it is smaller than the sum of its proper divisors (315715020).

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

199370292 is a wasteful number, since it uses less digits than its factorization.

199370292 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 22628 (or 22626 counting only the distinct ones).

The product of its (nonzero) digits is 61236, while the sum is 42.

The square root of 199370292 is about 14119.8545318286. The cubic root of 199370292 is about 584.1891432445.

The spelling of 199370292 in words is "one hundred ninety-nine million, three hundred seventy thousand, two hundred ninety-two".