4238065 has 16 divisors (see below), whose sum is σ = 5534928. Its totient is φ = 3096576.

The previous prime is 4238057. The next prime is 4238071. The reversal of 4238065 is 5608324.

It can be written as a sum of positive squares in 8 ways, for example, as 242064 + 3996001 = 492^2 + 1999^2 .

It is a cyclic number.

It is not a de Polignac number, because 4238065 - 2³ = 4238057 is a prime.

It is a super-2 number, since 2×4238065² = 35922389888450, which contains 22 as substring.

It is a Duffinian 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, 7057 + ... + 7633.

It is an arithmetic number, because the mean of its divisors is an integer number (345933).

Almost surely, 2^4238065 is an apocalyptic number.

It is an amenable number.

4238065 is a deficient number, since it is larger than the sum of its proper divisors (1296863).

4238065 is a wasteful number, since it uses less digits than its factorization.

4238065 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 708.

The product of its (nonzero) digits is 5760, while the sum is 28.

The square root of 4238065 is about 2058.6561150420. The cubic root of 4238065 is about 161.8288213710.

The spelling of 4238065 in words is "four million, two hundred thirty-eight thousand, sixty-five".