4064520 has 32 divisors (see below), whose sum is σ = 12193920. Its totient is φ = 1083840.

The previous prime is 4064519. The next prime is 4064527. The reversal of 4064520 is 254604.

It is a happy number.

It is not an unprimeable number, because it can be changed into a prime (4064527) 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, 16816 + ... + 17055.

It is an arithmetic number, because the mean of its divisors is an integer number (381060).

Almost surely, 2^4064520 is an apocalyptic number.

4064520 is a gapful number since it is divisible by the number (40) formed by its first and last digit.

It is an amenable number.

4064520 is an abundant number, since it is smaller than the sum of its proper divisors (8129400).

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

4064520 is a wasteful number, since it uses less digits than its factorization.

4064520 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 33885 (or 33881 counting only the distinct ones).

The product of its (nonzero) digits is 960, while the sum is 21.

The square root of 4064520 is about 2016.0654751272. The cubic root of 4064520 is about 159.5890495687.

The spelling of 4064520 in words is "four million, sixty-four thousand, five hundred twenty".