708449 has 4 divisors (see below), whose sum is σ = 809664. Its totient is φ = 607236.

The previous prime is 708437. The next prime is 708457. The reversal of 708449 is 944807.

It is a happy number.

It is a semiprime because it is the product of two primes, and also a Blum integer, because the two primes are equal to 3 mod 4, and also an emirpimes, since its reverse is a distinct semiprime: 944807 = 151 ⋅6257.

It is a de Polignac number, because none of the positive numbers 2^k-708449 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (708479) by changing a digit.

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 3 ways as a sum of consecutive naturals, for example, 50597 + ... + 50610.

It is an arithmetic number, because the mean of its divisors is an integer number (202416).

2⁷⁰⁸⁴⁴⁹ is an apocalyptic number.

It is an amenable number.

708449 is a deficient number, since it is larger than the sum of its proper divisors (101215).

708449 is a wasteful number, since it uses less digits than its factorization.

708449 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 101214.

The product of its (nonzero) digits is 8064, while the sum is 32.

The square root of 708449 is about 841.6941249646. The cubic root of 708449 is about 89.1462058428.

The spelling of 708449 in words is "seven hundred eight thousand, four hundred forty-nine".