706408 has 8 divisors (see below), whose sum is σ = 1324530. Its totient is φ = 353200.

The previous prime is 706403. The next prime is 706417. The reversal of 706408 is 804607.

706408 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It can be written as a sum of positive squares in only one way, i.e., 605284 + 101124 = 778^2 + 318^2 .

It is a tau number, because it is divible by the number of its divisors (8).

It is not an unprimeable number, because it can be changed into a prime (706403) by changing a digit.

706408 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 as a sum of consecutive naturals, namely, 44143 + ... + 44158.

2⁷⁰⁶⁴⁰⁸ is an apocalyptic number.

It is an amenable number.

706408 is a deficient number, since it is larger than the sum of its proper divisors (618122).

706408 is a wasteful number, since it uses less digits than its factorization.

706408 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 88307 (or 88303 counting only the distinct ones).

The product of its (nonzero) digits is 1344, while the sum is 25.

The square root of 706408 is about 840.4808147721. The cubic root of 706408 is about 89.0605151707.

The spelling of 706408 in words is "seven hundred six thousand, four hundred eight".