478450 has 24 divisors (see below), whose sum is σ = 1017792. Its totient is φ = 163920.

The previous prime is 478441. The next prime is 478451. The reversal of 478450 is 54874.

It is a nialpdrome in base 14.

It is not an unprimeable number, because it can be changed into a prime (478451) by changing a digit.

478450 is an untouchable number, because it is not equal to the sum of proper divisors of any number.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 334 + ... + 1033.

It is an arithmetic number, because the mean of its divisors is an integer number (42408).

2⁴⁷⁸⁴⁵⁰ is an apocalyptic number.

478450 is an abundant number, since it is smaller than the sum of its proper divisors (539342).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

478450 is a wasteful number, since it uses less digits than its factorization.

478450 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1386 (or 1381 counting only the distinct ones).

The product of its (nonzero) digits is 4480, while the sum is 28.

The square root of 478450 is about 691.7008023705. The cubic root of 478450 is about 78.2129835433.

The spelling of 478450 in words is "four hundred seventy-eight thousand, four hundred fifty".