850747 has 8 divisors (see below), whose sum is σ = 907776. Its totient is φ = 795432.

The previous prime is 850727. The next prime is 850753. The reversal of 850747 is 747058.

It is a happy number.

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

It is not a de Polignac number, because 850747 - 2¹¹ = 848699 is a prime.

It is an alternating number because its digits alternate between even and odd.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (850727) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 688 + ... + 1474.

It is an arithmetic number, because the mean of its divisors is an integer number (113472).

2⁸⁵⁰⁷⁴⁷ is an apocalyptic number.

850747 is a deficient number, since it is larger than the sum of its proper divisors (57029).

850747 is a wasteful number, since it uses less digits than its factorization.

With its predecessor (850746) it forms a Ruth-Aaron pair, since the sum of their distinct prime factors is the same (857).

850747 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 857.

The product of its (nonzero) digits is 7840, while the sum is 31.

The square root of 850747 is about 922.3594743916. The cubic root of 850747 is about 94.7545649808.

The spelling of 850747 in words is "eight hundred fifty thousand, seven hundred forty-seven".