4064478 has 16 divisors (see below), whose sum is σ = 8868096. Its totient is φ = 1231640.

The previous prime is 4064477. The next prime is 4064509. The reversal of 4064478 is 8744604.

It is a Harshad number since it is a multiple of its sum of digits (33).

It is a Curzon number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (4064477) 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, 30726 + ... + 30857.

It is an arithmetic number, because the mean of its divisors is an integer number (554256).

Almost surely, 2^4064478 is an apocalyptic number.

4064478 is an abundant number, since it is smaller than the sum of its proper divisors (4803618).

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

4064478 is a wasteful number, since it uses less digits than its factorization.

4064478 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 61599.

The product of its (nonzero) digits is 21504, while the sum is 33.

The square root of 4064478 is about 2016.0550587720. The cubic root of 4064478 is about 159.5884998717.

It can be divided in two parts, 406 and 4478, that added together give a palindrome (4884).

The spelling of 4064478 in words is "four million, sixty-four thousand, four hundred seventy-eight".