478709 has 8 divisors (see below), whose sum is σ = 596928. Its totient is φ = 372960.

The previous prime is 478697. The next prime is 478711. The reversal of 478709 is 907874.

It is a sphenic number, since it is the product of 3 distinct primes.

It is not a de Polignac number, because 478709 - 2⁸ = 478453 is a prime.

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

It is a Duffinian number.

It is a Curzon number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (478729) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 3032 + ... + 3185.

It is an arithmetic number, because the mean of its divisors is an integer number (74616).

2⁴⁷⁸⁷⁰⁹ is an apocalyptic number.

It is an amenable number.

478709 is a deficient number, since it is larger than the sum of its proper divisors (118219).

478709 is a wasteful number, since it uses less digits than its factorization.

478709 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 6235.

The product of its (nonzero) digits is 14112, while the sum is 35.

The square root of 478709 is about 691.8879967162. The cubic root of 478709 is about 78.2270940450.

The spelling of 478709 in words is "four hundred seventy-eight thousand, seven hundred nine".