4079065 has 16 divisors (see below), whose sum is σ = 5326992. Its totient is φ = 2985984.

The previous prime is 4079059. The next prime is 4079071. The reversal of 4079065 is 5609704.

It is an interprime number because it is at equal distance from previous prime (4079059) and next prime (4079071).

It can be written as a sum of positive squares in 8 ways, for example, as 1570009 + 2509056 = 1253^2 + 1584^2 .

It is a 6-Lehmer number, since φ(4079065) divides (4079065-1)⁶.

It is a cyclic number.

It is not a de Polignac number, because 4079065 - 2¹³ = 4070873 is a prime.

It is a Duffinian number.

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, 2497 + ... + 3793.

It is an arithmetic number, because the mean of its divisors is an integer number (332937).

Almost surely, 2^4079065 is an apocalyptic number.

It is an amenable number.

4079065 is a deficient number, since it is larger than the sum of its proper divisors (1247927).

4079065 is a wasteful number, since it uses less digits than its factorization.

4079065 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1356.

The product of its (nonzero) digits is 7560, while the sum is 31.

The square root of 4079065 is about 2019.6695274227. The cubic root of 4079065 is about 159.7791875894.

The spelling of 4079065 in words is "four million, seventy-nine thousand, sixty-five".