709488 has 60 divisors (see below), whose sum is σ = 2143960. Its totient is φ = 217728.

The previous prime is 709469. The next prime is 709507. The reversal of 709488 is 884907.

709488 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is an interprime number because it is at equal distance from previous prime (709469) and next prime (709507).

It is a Harshad number since it is a multiple of its sum of digits (36).

It is a congruent number.

It is an unprimeable number.

709488 is an untouchable number, because it is not equal to the sum of proper divisors of any number.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 1683 + ... + 2061.

2⁷⁰⁹⁴⁸⁸ is an apocalyptic number.

709488 is a gapful number since it is divisible by the number (78) formed by its first and last digit.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 709488, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (1071980).

709488 is an abundant number, since it is smaller than the sum of its proper divisors (1434472).

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

709488 is a wasteful number, since it uses less digits than its factorization.

709488 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 406 (or 397 counting only the distinct ones).

The product of its (nonzero) digits is 16128, while the sum is 36.

The square root of 709488 is about 842.3111064209. The cubic root of 709488 is about 89.1897646899.

The spelling of 709488 in words is "seven hundred nine thousand, four hundred eighty-eight".