785047 has 4 divisors (see below), whose sum is σ = 796176. Its totient is φ = 773920.

The previous prime is 785033. The next prime is 785053. The reversal of 785047 is 740587.

It is a happy number.

It is a semiprime because it is the product of two primes, and also an emirpimes, since its reverse is a distinct semiprime: 740587 = 571 ⋅1297.

It is a cyclic number.

It is not a de Polignac number, because 785047 - 2⁷ = 784919 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (785017) 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, 5458 + ... + 5599.

It is an arithmetic number, because the mean of its divisors is an integer number (199044).

2⁷⁸⁵⁰⁴⁷ is an apocalyptic number.

785047 is a deficient number, since it is larger than the sum of its proper divisors (11129).

785047 is a wasteful number, since it uses less digits than its factorization.

785047 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 11128.

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

The square root of 785047 is about 886.0287805709. The cubic root of 785047 is about 92.2497545791.

The spelling of 785047 in words is "seven hundred eighty-five thousand, forty-seven".