478293 has 4 divisors (see below), whose sum is σ = 637728. Its totient is φ = 318860.

The previous prime is 478273. The next prime is 478321. The reversal of 478293 is 392874.

478293 is nontrivially palindromic in base 7.

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 478293 - 2¹² = 474197 is a prime.

It is a D-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 (478213) 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, 79713 + ... + 79718.

It is an arithmetic number, because the mean of its divisors is an integer number (159432).

2⁴⁷⁸²⁹³ is an apocalyptic number.

It is an amenable number.

478293 is a deficient number, since it is larger than the sum of its proper divisors (159435).

478293 is a wasteful number, since it uses less digits than its factorization.

478293 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 159434.

The product of its digits is 12096, while the sum is 33.

The square root of 478293 is about 691.5873046839. The cubic root of 478293 is about 78.2044275941.

The spelling of 478293 in words is "four hundred seventy-eight thousand, two hundred ninety-three".