850931938 has 8 divisors (see below), whose sum is σ = 1276606188. Its totient is φ = 425396544.

The previous prime is 850931933. The next prime is 850931941. The reversal of 850931938 is 839139058.

It can be written as a sum of positive squares in 2 ways, for example, as 723986649 + 126945289 = 26907^2 + 11267^2 .

It is a sphenic number, since it is the product of 3 distinct primes.

It is not an unprimeable number, because it can be changed into a prime (850931933) 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 3 ways as a sum of consecutive naturals, for example, 17731 + ... + 44902.

Almost surely, 2^850931938 is an apocalyptic number.

850931938 is a deficient number, since it is larger than the sum of its proper divisors (425674250).

850931938 is a wasteful number, since it uses less digits than its factorization.

850931938 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 69428.

The product of its (nonzero) digits is 233280, while the sum is 46.

The square root of 850931938 is about 29170.7377006479. The cubic root of 850931938 is about 947.6143049629.

The spelling of 850931938 in words is "eight hundred fifty million, nine hundred thirty-one thousand, nine hundred thirty-eight".