4064020 has 24 divisors (see below), whose sum is σ = 9037224. Its totient is φ = 1529856.

The previous prime is 4063991. The next prime is 4064023. The reversal of 4064020 is 204604.

It can be written as a sum of positive squares in 4 ways, for example, as 1710864 + 2353156 = 1308^2 + 1534^2 .

It is a junction number, because it is equal to n+sod(n) for n = 4063985 and 4064003.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (4064023) 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, 5637 + ... + 6316.

It is an arithmetic number, because the mean of its divisors is an integer number (376551).

Almost surely, 2^4064020 is an apocalyptic number.

It is an amenable number.

4064020 is an abundant number, since it is smaller than the sum of its proper divisors (4973204).

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

4064020 is a wasteful number, since it uses less digits than its factorization.

4064020 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 11979 (or 11977 counting only the distinct ones).

The product of its (nonzero) digits is 192, while the sum is 16.

The square root of 4064020 is about 2015.9414674042. The cubic root of 4064020 is about 159.5825053112.

Adding to 4064020 its reverse (204604), we get a palindrome (4268624).

The spelling of 4064020 in words is "four million, sixty-four thousand, twenty".