708643 has 12 divisors (see below), whose sum is σ = 810768. Its totient is φ = 615600.

The previous prime is 708641. The next prime is 708647. The reversal of 708643 is 346807.

It is not a de Polignac number, because 708643 - 2¹ = 708641 is a prime.

It is not an unprimeable number, because it can be changed into a prime (708641) by changing a digit.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 4618 + ... + 4768.

It is an arithmetic number, because the mean of its divisors is an integer number (67564).

2⁷⁰⁸⁶⁴³ is an apocalyptic number.

708643 is a deficient number, since it is larger than the sum of its proper divisors (102125).

708643 is a wasteful number, since it uses less digits than its factorization.

708643 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 202 (or 183 counting only the distinct ones).

The product of its (nonzero) digits is 4032, while the sum is 28.

The square root of 708643 is about 841.8093608413. The cubic root of 708643 is about 89.1543422956.

The spelling of 708643 in words is "seven hundred eight thousand, six hundred forty-three".