711928 has 16 divisors (see below), whose sum is σ = 1525680. Its totient is φ = 305088.

The previous prime is 711923. The next prime is 711929. The reversal of 711928 is 829117.

It is a Harshad number since it is a multiple of its sum of digits (28).

It is a junction number, because it is equal to n+sod(n) for n = 711896 and 711905.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (711923) by changing a digit.

711928 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, 6301 + ... + 6412.

It is an arithmetic number, because the mean of its divisors is an integer number (95355).

2⁷¹¹⁹²⁸ is an apocalyptic number.

It is an amenable number.

711928 is an abundant number, since it is smaller than the sum of its proper divisors (813752).

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

711928 is a wasteful number, since it uses less digits than its factorization.

711928 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 12726 (or 12722 counting only the distinct ones).

The product of its digits is 1008, while the sum is 28.

The square root of 711928 is about 843.7582592188. The cubic root of 711928 is about 89.2918918697.

It can be divided in two parts, 7 and 11928, that added together give a triangular number (11935 = T₁₅₄).

The spelling of 711928 in words is "seven hundred eleven thousand, nine hundred twenty-eight".