478357 has 4 divisors (see below), whose sum is σ = 521856. Its totient is φ = 434860.

The previous prime is 478351. The next prime is 478391. The reversal of 478357 is 753874.

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 478357 - 2¹⁵ = 445589 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 (478351) 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, 21733 + ... + 21754.

It is an arithmetic number, because the mean of its divisors is an integer number (130464).

2⁴⁷⁸³⁵⁷ is an apocalyptic number.

It is an amenable number.

478357 is a deficient number, since it is larger than the sum of its proper divisors (43499).

478357 is a wasteful number, since it uses less digits than its factorization.

478357 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 43498.

The product of its digits is 23520, while the sum is 34.

The square root of 478357 is about 691.6335735055. The cubic root of 478357 is about 78.2079155956.

The spelling of 478357 in words is "four hundred seventy-eight thousand, three hundred fifty-seven".