706087 has 4 divisors (see below), whose sum is σ = 728896. Its totient is φ = 683280.

The previous prime is 706067. The next prime is 706099. The reversal of 706087 is 780607.

706087 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, and also an emirpimes, since its reverse is a distinct semiprime: 780607 = 163 ⋅4789.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-706087 is a prime.

It is a Duffinian number.

706087 is a lucky number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (706067) 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, 11358 + ... + 11419.

It is an arithmetic number, because the mean of its divisors is an integer number (182224).

2⁷⁰⁶⁰⁸⁷ is an apocalyptic number.

706087 is a deficient number, since it is larger than the sum of its proper divisors (22809).

706087 is a wasteful number, since it uses less digits than its factorization.

706087 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 22808.

The product of its (nonzero) digits is 2352, while the sum is 28.

The square root of 706087 is about 840.2898309512. The cubic root of 706087 is about 89.0470230827.

The spelling of 706087 in words is "seven hundred six thousand, eighty-seven".