708456 has 32 divisors (see below), whose sum is σ = 2024640. Its totient is φ = 202368.

The previous prime is 708437. The next prime is 708457. The reversal of 708456 is 654807.

It is a happy number.

It is a Smith number, since the sum of its digits (30) coincides with the sum of the digits of its prime factors.

It is not an unprimeable number, because it can be changed into a prime (708457) by changing a digit.

708456 is an untouchable number, because it is not equal to the sum of proper divisors of any number.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 1941 + ... + 2276.

It is an arithmetic number, because the mean of its divisors is an integer number (63270).

2⁷⁰⁸⁴⁵⁶ is an apocalyptic number.

It is an amenable number.

708456 is an abundant number, since it is smaller than the sum of its proper divisors (1316184).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

708456 is a wasteful number, since it uses less digits than its factorization.

708456 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 4233 (or 4229 counting only the distinct ones).

The product of its (nonzero) digits is 6720, while the sum is 30.

The square root of 708456 is about 841.6982832346. The cubic root of 708456 is about 89.1464994520.

It can be divided in two parts, 7084 and 56, that added together give a triangular number (7140 = T₁₁₉).

The spelling of 708456 in words is "seven hundred eight thousand, four hundred fifty-six".