785947 has 2 divisors, whose sum is σ = 785948. Its totient is φ = 785946.

The previous prime is 785923. The next prime is 785951. The reversal of 785947 is 749587.

It is a strong prime.

It is an emirp because it is prime and its reverse (749587) is a distict prime.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-785947 is a prime.

It is a Chen prime.

785947 is a lucky number.

It is not a weakly prime, because it can be changed into another prime (785347) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 392973 + 392974.

It is an arithmetic number, because the mean of its divisors is an integer number (392974).

2⁷⁸⁵⁹⁴⁷ is an apocalyptic number.

785947 is a deficient number, since it is larger than the sum of its proper divisors (1).

785947 is an equidigital number, since it uses as much as digits as its factorization.

785947 is an evil number, because the sum of its binary digits is even.

The product of its digits is 70560, while the sum is 40.

The square root of 785947 is about 886.5365192704. The cubic root of 785947 is about 92.2849936888.

The spelling of 785947 in words is "seven hundred eighty-five thousand, nine hundred forty-seven".