478620 has 36 divisors (see below), whose sum is σ = 1452360. Its totient is φ = 127584.

The previous prime is 478603. The next prime is 478627. The reversal of 478620 is 26874.

It is a tau number, because it is divible by the number of its divisors (36).

It is an Ulam number.

It is a zygodrome in base 3.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (478627) by changing a digit.

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, 1150 + ... + 1509.

2⁴⁷⁸⁶²⁰ is an apocalyptic number.

It is an amenable number.

478620 is an abundant number, since it is smaller than the sum of its proper divisors (973740).

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

478620 is a wasteful number, since it uses less digits than its factorization.

478620 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2674 (or 2669 counting only the distinct ones).

The product of its (nonzero) digits is 2688, while the sum is 27.

The square root of 478620 is about 691.8236769582. The cubic root of 478620 is about 78.2222458367. Note that the first 4 decimals are identical.

The spelling of 478620 in words is "four hundred seventy-eight thousand, six hundred twenty".