478973 has 4 divisors (see below), whose sum is σ = 522528. Its totient is φ = 435420.

The previous prime is 478967. The next prime is 478991. The reversal of 478973 is 379874.

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.

It is a cyclic number.

It is not a de Polignac number, because 478973 - 2¹⁴ = 462589 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 (478913) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 21761 + ... + 21782.

It is an arithmetic number, because the mean of its divisors is an integer number (130632).

2⁴⁷⁸⁹⁷³ is an apocalyptic number.

It is an amenable number.

478973 is a deficient number, since it is larger than the sum of its proper divisors (43555).

478973 is a wasteful number, since it uses less digits than its factorization.

478973 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 43554.

The product of its digits is 42336, while the sum is 38.

The square root of 478973 is about 692.0787527442. The cubic root of 478973 is about 78.2414717133.

Subtracting from 478973 its reverse (379874), we obtain a palindrome (99099).

The spelling of 478973 in words is "four hundred seventy-eight thousand, nine hundred seventy-three".