711940 has 12 divisors (see below), whose sum is σ = 1495116. Its totient is φ = 284768.

The previous prime is 711937. The next prime is 711947. The reversal of 711940 is 49117.

It can be written as a sum of positive squares in 2 ways, for example, as 158404 + 553536 = 398^2 + 744^2 .

It is not an unprimeable number, because it can be changed into a prime (711947) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 17779 + ... + 17818.

It is an arithmetic number, because the mean of its divisors is an integer number (124593).

2⁷¹¹⁹⁴⁰ is an apocalyptic number.

It is an amenable number.

711940 is an abundant number, since it is smaller than the sum of its proper divisors (783176).

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

711940 is a wasteful number, since it uses less digits than its factorization.

711940 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 35606 (or 35604 counting only the distinct ones).

The product of its (nonzero) digits is 252, while the sum is 22.

The square root of 711940 is about 843.7653702304. The cubic root of 711940 is about 89.2923935575.

The spelling of 711940 in words is "seven hundred eleven thousand, nine hundred forty".