785343 has 12 divisors (see below), whose sum is σ = 1134600. Its totient is φ = 482976.

The previous prime is 785341. The next prime is 785347. The reversal of 785343 is 343587.

It is not a de Polignac number, because 785343 - 2¹ = 785341 is a prime.

It is a Smith number, since the sum of its digits (30) coincides with the sum of the digits of its prime factors.

It is an Ulam number.

785343 is a lucky number.

It is a self number, because there is not a number n which added to its sum of digits gives 785343.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (785341) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 268 + ... + 1281.

It is an arithmetic number, because the mean of its divisors is an integer number (94550).

2⁷⁸⁵³⁴³ is an apocalyptic number.

785343 is a deficient number, since it is larger than the sum of its proper divisors (349257).

785343 is a wasteful number, since it uses less digits than its factorization.

785343 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1578 (or 1565 counting only the distinct ones).

The product of its digits is 10080, while the sum is 30.

The square root of 785343 is about 886.1958022920. The cubic root of 785343 is about 92.2613473017.

It can be divided in two parts, 785 and 343, that added together give a triangular number (1128 = T₄₇).

The spelling of 785343 in words is "seven hundred eighty-five thousand, three hundred forty-three".