785613 has 8 divisors (see below), whose sum is σ = 1052128. Its totient is φ = 521424.

The previous prime is 785597. The next prime is 785623. The reversal of 785613 is 316587.

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

It is not a de Polignac number, because 785613 - 2⁴ = 785597 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 (785623) 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, 495 + ... + 1347.

It is an arithmetic number, because the mean of its divisors is an integer number (131516).

2⁷⁸⁵⁶¹³ is an apocalyptic number.

It is an amenable number.

785613 is a deficient number, since it is larger than the sum of its proper divisors (266515).

785613 is a wasteful number, since it uses less digits than its factorization.

785613 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1163.

The product of its digits is 5040, while the sum is 30.

The square root of 785613 is about 886.3481257384. The cubic root of 785613 is about 92.2719192045.

Adding to 785613 its product of digits (5040), we get a triangular number (790653 = T₁₂₅₇).

The spelling of 785613 in words is "seven hundred eighty-five thousand, six hundred thirteen".