788728 has 16 divisors (see below), whose sum is σ = 1557000. Its totient is φ = 373536.

The previous prime is 788719. The next prime is 788761. The reversal of 788728 is 827887.

It is a congruent number.

It is an unprimeable number.

788728 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 3 ways as a sum of consecutive naturals, for example, 2443 + ... + 2746.

2⁷⁸⁸⁷²⁸ is an apocalyptic number.

It is an amenable number.

788728 is a deficient number, since it is larger than the sum of its proper divisors (768272).

788728 is a wasteful number, since it uses less digits than its factorization.

788728 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 5214 (or 5210 counting only the distinct ones).

The product of its digits is 50176, while the sum is 40.

The square root of 788728 is about 888.1035975606. The cubic root of 788728 is about 92.3937128335.

The spelling of 788728 in words is "seven hundred eighty-eight thousand, seven hundred twenty-eight".