706881 has 16 divisors (see below), whose sum is σ = 1104768. Its totient is φ = 393600.

The previous prime is 706847. The next prime is 706883. The reversal of 706881 is 188607.

It is not a de Polignac number, because 706881 - 2⁷ = 706753 is a prime.

It is a super-2 number, since 2×706881² = 999361496322, which contains 22 as substring.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (706883) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 451 + ... + 1271.

It is an arithmetic number, because the mean of its divisors is an integer number (69048).

2⁷⁰⁶⁸⁸¹ is an apocalyptic number.

It is an amenable number.

706881 is a deficient number, since it is larger than the sum of its proper divisors (397887).

706881 is a wasteful number, since it uses less digits than its factorization.

706881 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 872.

The product of its (nonzero) digits is 2688, while the sum is 30.

The square root of 706881 is about 840.7621542386. The cubic root of 706881 is about 89.0803885890.

The spelling of 706881 in words is "seven hundred six thousand, eight hundred eighty-one".