4064005 has 16 divisors (see below), whose sum is σ = 5601600. Its totient is φ = 2799360.

The previous prime is 4063991. The next prime is 4064023. The reversal of 4064005 is 5004604.

It is not a de Polignac number, because 4064005 - 2⁷ = 4063877 is a prime.

It is a super-2 number, since 2×4064005² = 33032273280050, which contains 22 as substring.

It is a Harshad number since it is a multiple of its sum of digits (19).

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 900 + ... + 2989.

It is an arithmetic number, because the mean of its divisors is an integer number (350100).

Almost surely, 2^4064005 is an apocalyptic number.

It is an amenable number.

4064005 is a deficient number, since it is larger than the sum of its proper divisors (1537595).

4064005 is a wasteful number, since it uses less digits than its factorization.

4064005 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 3924.

The product of its (nonzero) digits is 480, while the sum is 19.

The square root of 4064005 is about 2015.9377470547. The cubic root of 4064005 is about 159.5823089752.

Adding to 4064005 its reverse (5004604), we get a palindrome (9068609).

The spelling of 4064005 in words is "four million, sixty-four thousand, five".