850959442 has 8 divisors (see below), whose sum is σ = 1281185100. Its totient is φ = 423897744.

The previous prime is 850959437. The next prime is 850959449. The reversal of 850959442 is 244959058.

It can be written as a sum of positive squares in 2 ways, for example, as 850830561 + 128881 = 29169^2 + 359^2 .

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

It is a junction number, because it is equal to n+sod(n) for n = 850959392 and 850959401.

It is not an unprimeable number, because it can be changed into a prime (850959449) 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, 790317 + ... + 791392.

Almost surely, 2^850959442 is an apocalyptic number.

850959442 is a deficient number, since it is larger than the sum of its proper divisors (430225658).

850959442 is a wasteful number, since it uses less digits than its factorization.

850959442 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1581980.

The product of its (nonzero) digits is 518400, while the sum is 46.

The square root of 850959442 is about 29171.2091281798. The cubic root of 850959442 is about 947.6245145154.

The spelling of 850959442 in words is "eight hundred fifty million, nine hundred fifty-nine thousand, four hundred forty-two".