4047065 has 8 divisors (see below), whose sum is σ = 5298048. Its totient is φ = 2943280.

The previous prime is 4047053. The next prime is 4047067. The reversal of 4047065 is 5607404.

It is a sphenic number, since it is the product of 3 distinct primes.

It is not a de Polignac number, because 4047065 - 2⁴ = 4047049 is a prime.

It is a super-2 number, since 2×4047065² = 32757470228450, which contains 22 as substring.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (4047067) 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, 36737 + ... + 36846.

It is an arithmetic number, because the mean of its divisors is an integer number (662256).

Almost surely, 2^4047065 is an apocalyptic number.

It is an amenable number.

4047065 is a deficient number, since it is larger than the sum of its proper divisors (1250983).

4047065 is a wasteful number, since it uses less digits than its factorization.

4047065 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 73599.

The product of its (nonzero) digits is 3360, while the sum is 26.

The square root of 4047065 is about 2011.7318409768. The cubic root of 4047065 is about 159.3602710982.

The spelling of 4047065 in words is "four million, forty-seven thousand, sixty-five".