706985 has 4 divisors (see below), whose sum is σ = 848388. Its totient is φ = 565584.

The previous prime is 706973. The next prime is 706987. The reversal of 706985 is 589607.

706985 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a semiprime because it is the product of two primes.

It can be written as a sum of positive squares in 2 ways, for example, as 502681 + 204304 = 709^2 + 452^2 .

It is a cyclic number.

It is not a de Polignac number, because 706985 - 2⁶ = 706921 is a prime.

It is a Duffinian number.

It is an inconsummate number, since it does not exist a number n which divided by its sum of digits gives 706985.

It is not an unprimeable number, because it can be changed into a prime (706987) 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, 70694 + ... + 70703.

It is an arithmetic number, because the mean of its divisors is an integer number (212097).

2⁷⁰⁶⁹⁸⁵ is an apocalyptic number.

It is an amenable number.

706985 is a deficient number, since it is larger than the sum of its proper divisors (141403).

706985 is a wasteful number, since it uses less digits than its factorization.

706985 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 141402.

The product of its (nonzero) digits is 15120, while the sum is 35.

The square root of 706985 is about 840.8240006089. The cubic root of 706985 is about 89.0847570310.

The spelling of 706985 in words is "seven hundred six thousand, nine hundred eighty-five".