850479 has 8 divisors (see below), whose sum is σ = 1296000. Its totient is φ = 485976.

The previous prime is 850457. The next prime is 850481. The reversal of 850479 is 974058.

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

It is not a de Polignac number, because 850479 - 2⁷ = 850351 is a prime.

It is a congruent number.

It is an inconsummate number, since it does not exist a number n which divided by its sum of digits gives 850479.

It is not an unprimeable number, because it can be changed into a prime (850439) 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 7 ways as a sum of consecutive naturals, for example, 20229 + ... + 20270.

It is an arithmetic number, because the mean of its divisors is an integer number (162000).

2⁸⁵⁰⁴⁷⁹ is an apocalyptic number.

850479 is a deficient number, since it is larger than the sum of its proper divisors (445521).

850479 is a wasteful number, since it uses less digits than its factorization.

850479 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 40509.

The product of its (nonzero) digits is 10080, while the sum is 33.

The square root of 850479 is about 922.2141833652. The cubic root of 850479 is about 94.7446141609.

The spelling of 850479 in words is "eight hundred fifty thousand, four hundred seventy-nine".