709456 has 40 divisors (see below), whose sum is σ = 1562400. Its totient is φ = 309120.

The previous prime is 709453. The next prime is 709469. The reversal of 709456 is 654907.

It is an alternating number because its digits alternate between odd and even.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (709451) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 5035 + ... + 5173.

It is an arithmetic number, because the mean of its divisors is an integer number (39060).

2⁷⁰⁹⁴⁵⁶ is an apocalyptic number.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 709456, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (781200).

709456 is an abundant number, since it is smaller than the sum of its proper divisors (852944).

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

709456 is a wasteful number, since it uses less digits than its factorization.

709456 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 187 (or 181 counting only the distinct ones).

The product of its (nonzero) digits is 7560, while the sum is 31.

The square root of 709456 is about 842.2921108499. The cubic root of 709456 is about 89.1884237627.

The spelling of 709456 in words is "seven hundred nine thousand, four hundred fifty-six".