708891 has 4 divisors (see below), whose sum is σ = 945192. Its totient is φ = 472592.

The previous prime is 708859. The next prime is 708893. The reversal of 708891 is 198807.

708891 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 is a cyclic number.

It is not a de Polignac number, because 708891 - 2⁵ = 708859 is a prime.

It is a D-number.

708891 is a lucky number.

It is a plaindrome in base 11.

It is not an unprimeable number, because it can be changed into a prime (708893) 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, 118146 + ... + 118151.

It is an arithmetic number, because the mean of its divisors is an integer number (236298).

2⁷⁰⁸⁸⁹¹ is an apocalyptic number.

708891 is the 533-rd centered pentagonal number.

708891 is a deficient number, since it is larger than the sum of its proper divisors (236301).

708891 is a wasteful number, since it uses less digits than its factorization.

708891 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 236300.

The product of its (nonzero) digits is 4032, while the sum is 33.

The square root of 708891 is about 841.9566497154. The cubic root of 708891 is about 89.1647413720.

The spelling of 708891 in words is "seven hundred eight thousand, eight hundred ninety-one".