4205478 has 16 divisors (see below), whose sum is σ = 8478720. Its totient is φ = 1390536.

The previous prime is 4205473. The next prime is 4205507. The reversal of 4205478 is 8745024.

It is a d-powerful number, because it can be written as 4³ + 2¹³ + 0 + 5 + 4¹¹ + 7⁴ + 8³ .

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (4205473) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 1998 + ... + 3521.

It is an arithmetic number, because the mean of its divisors is an integer number (529920).

Almost surely, 2^4205478 is an apocalyptic number.

4205478 is an abundant number, since it is smaller than the sum of its proper divisors (4273242).

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

4205478 is a wasteful number, since it uses less digits than its factorization.

4205478 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 5651.

The product of its (nonzero) digits is 8960, while the sum is 30.

The square root of 4205478 is about 2050.7262128329. The cubic root of 4205478 is about 161.4129798590.

The spelling of 4205478 in words is "four million, two hundred five thousand, four hundred seventy-eight".