478751 has 8 divisors (see below), whose sum is σ = 589344. Its totient is φ = 378720.

The previous prime is 478747. The next prime is 478763. The reversal of 478751 is 157874.

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

It is a cyclic number.

It is not a de Polignac number, because 478751 - 2² = 478747 is a prime.

It is a congruent number.

It is an inconsummate number, since it does not exist a number n which divided by its sum of digits gives 478751.

It is not an unprimeable number, because it can be changed into a prime (478711) 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, 2540 + ... + 2721.

It is an arithmetic number, because the mean of its divisors is an integer number (73668).

2⁴⁷⁸⁷⁵¹ is an apocalyptic number.

478751 is a deficient number, since it is larger than the sum of its proper divisors (110593).

478751 is a wasteful number, since it uses less digits than its factorization.

478751 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 5281.

The product of its digits is 7840, while the sum is 32.

The square root of 478751 is about 691.9183477839. The cubic root of 478751 is about 78.2293817548.

Adding to 478751 its product of digits (7840), we get a triangular number (486591 = T₉₈₆).

The spelling of 478751 in words is "four hundred seventy-eight thousand, seven hundred fifty-one".