4064069 has 6 divisors (see below), whose sum is σ = 4200390. Its totient is φ = 3932040.

The previous prime is 4064051. The next prime is 4064083. The reversal of 4064069 is 9604604.

It can be written as a sum of positive squares in only one way, i.e., 4060225 + 3844 = 2015^2 + 62^2 .

It is a de Polignac number, because none of the positive numbers 2^k-4064069 is a prime.

It is a super-2 number, since 2×4064069² = 33033313673522, which contains 22 as substring.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (4004069) by changing a digit.

It is a polite number, since it can be written in 5 ways as a sum of consecutive naturals, for example, 1154 + ... + 3075.

It is an arithmetic number, because the mean of its divisors is an integer number (700065).

Almost surely, 2^4064069 is an apocalyptic number.

It is an amenable number.

4064069 is a deficient number, since it is larger than the sum of its proper divisors (136321).

4064069 is an equidigital number, since it uses as much as digits as its factorization.

4064069 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 4291 (or 4260 counting only the distinct ones).

The product of its (nonzero) digits is 5184, while the sum is 29.

The square root of 4064069 is about 2015.9536204982. The cubic root of 4064069 is about 159.5831466721.

The spelling of 4064069 in words is "four million, sixty-four thousand, sixty-nine".