478454 has 8 divisors (see below), whose sum is σ = 740928. Its totient is φ = 231480.

The previous prime is 478453. The next prime is 478459. The reversal of 478454 is 454874.

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

It is an Ulam number.

It is a Curzon number.

It is a self number, because there is not a number n which added to its sum of digits gives 478454.

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 478454.

It is not an unprimeable number, because it can be changed into a prime (478451) 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, 3797 + ... + 3920.

It is an arithmetic number, because the mean of its divisors is an integer number (92616).

2⁴⁷⁸⁴⁵⁴ is an apocalyptic number.

478454 is a deficient number, since it is larger than the sum of its proper divisors (262474).

478454 is a wasteful number, since it uses less digits than its factorization.

478454 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 7750.

The product of its digits is 17920, while the sum is 32.

The square root of 478454 is about 691.7036937880. The cubic root of 478454 is about 78.2132015049.

The spelling of 478454 in words is "four hundred seventy-eight thousand, four hundred fifty-four".