785616 has 40 divisors (see below), whose sum is σ = 2187360. Its totient is φ = 241536.

The previous prime is 785597. The next prime is 785623. The reversal of 785616 is 616587.

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

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 6 + ... + 1253.

It is an arithmetic number, because the mean of its divisors is an integer number (54684).

2⁷⁸⁵⁶¹⁶ is an apocalyptic number.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 785616, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (1093680).

785616 is an abundant number, since it is smaller than the sum of its proper divisors (1401744).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

785616 is a wasteful number, since it uses less digits than its factorization.

785616 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1283 (or 1277 counting only the distinct ones).

The product of its digits is 10080, while the sum is 33.

The square root of 785616 is about 886.3498180741. The cubic root of 785616 is about 92.2720366564.

The spelling of 785616 in words is "seven hundred eighty-five thousand, six hundred sixteen".