788256 has 144 divisors (see below), whose sum is σ = 2830464. Its totient is φ = 202752.

The previous prime is 788231. The next prime is 788261. The reversal of 788256 is 652887.

It is a tau number, because it is divible by the number of its divisors (144).

It is a Smith number, since the sum of its digits (36) coincides with the sum of the digits of its prime factors.

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

It is a self number, because there is not a number n which added to its sum of digits gives 788256.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 34261 + ... + 34283.

It is an arithmetic number, because the mean of its divisors is an integer number (19656).

2⁷⁸⁸²⁵⁶ 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 788256, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (1415232).

788256 is an abundant number, since it is smaller than the sum of its proper divisors (2042208).

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

788256 is a wasteful number, since it uses less digits than its factorization.

788256 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 63 (or 52 counting only the distinct ones).

The product of its digits is 26880, while the sum is 36.

The square root of 788256 is about 887.8378230285. The cubic root of 788256 is about 92.3752787072.

The spelling of 788256 in words is "seven hundred eighty-eight thousand, two hundred fifty-six".