838072195 has 4 divisors (see below), whose sum is σ = 1005686640. Its totient is φ = 670457752.

The previous prime is 838072187. The next prime is 838072219. The reversal of 838072195 is 591270838.

It is a semiprime because it is the product of two primes, and also an emirpimes, since its reverse is a distinct semiprime: 591270838 = 2 ⋅295635419.

It is a cyclic number.

It is not a de Polignac number, because 838072195 - 2³ = 838072187 is a prime.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 83807215 + ... + 83807224.

It is an arithmetic number, because the mean of its divisors is an integer number (251421660).

Almost surely, 2^838072195 is an apocalyptic number.

838072195 is a deficient number, since it is larger than the sum of its proper divisors (167614445).

838072195 is a wasteful number, since it uses less digits than its factorization.

838072195 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 167614444.

The product of its (nonzero) digits is 120960, while the sum is 43.

The square root of 838072195 is about 28949.4765928505. The cubic root of 838072195 is about 942.8164341217.

The spelling of 838072195 in words is "eight hundred thirty-eight million, seventy-two thousand, one hundred ninety-five".