788616 has 40 divisors (see below), whose sum is σ = 2210670. Its totient is φ = 262656.

The previous prime is 788603. The next prime is 788621. The reversal of 788616 is 616887.

It can be written as a sum of positive squares in only one way, i.e., 715716 + 72900 = 846^2 + 270^2 .

It is a Harshad number since it is a multiple of its sum of digits (36).

It is a congruent number.

It is an unprimeable number.

788616 is an untouchable number, because it is not equal to the sum of proper divisors of any number.

It is a pernicious number, because its binary representation contains a prime number (5) of ones.

It is a polite number, since it can be written in 9 ways as a sum of consecutive naturals, for example, 40 + ... + 1256.

2⁷⁸⁸⁶¹⁶ 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 788616, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (1105335).

788616 is an abundant number, since it is smaller than the sum of its proper divisors (1422054).

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

788616 is a wasteful number, since it uses less digits than its factorization.

788616 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1235 (or 1222 counting only the distinct ones).

The product of its digits is 16128, while the sum is 36.

The square root of 788616 is about 888.0405396152. The cubic root of 788616 is about 92.3893392997.

The spelling of 788616 in words is "seven hundred eighty-eight thousand, six hundred sixteen".