788438 has 16 divisors (see below), whose sum is σ = 1363200. Its totient is φ = 335016.

The previous prime is 788429. The next prime is 788449. The reversal of 788438 is 834887.

788438 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a congruent number.

It is an inconsummate number, since it does not exist a number n which divided by its sum of digits gives 788438.

It is an unprimeable number.

788438 is an untouchable number, because it is not equal to the sum of proper divisors of any number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 2645 + ... + 2927.

It is an arithmetic number, because the mean of its divisors is an integer number (85200).

2⁷⁸⁸⁴³⁸ is an apocalyptic number.

788438 is a deficient number, since it is larger than the sum of its proper divisors (574762).

788438 is a wasteful number, since it uses less digits than its factorization.

788438 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 491.

The product of its digits is 43008, while the sum is 38.

The square root of 788438 is about 887.9403133094. The cubic root of 788438 is about 92.3823876528.

The spelling of 788438 in words is "seven hundred eighty-eight thousand, four hundred thirty-eight".