4158965 has 16 divisors (see below), whose sum is σ = 5343408. Its totient is φ = 3096576.

The previous prime is 4158961. The next prime is 4158971. The reversal of 4158965 is 5698514.

It can be written as a sum of positive squares in 8 ways, for example, as 857476 + 3301489 = 926^2 + 1817^2 .

It is a cyclic number.

It is not a de Polignac number, because 4158965 - 2² = 4158961 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (4158961) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 9389 + ... + 9821.

It is an arithmetic number, because the mean of its divisors is an integer number (333963).

Almost surely, 2^4158965 is an apocalyptic number.

It is an amenable number.

4158965 is a deficient number, since it is larger than the sum of its proper divisors (1184443).

4158965 is a wasteful number, since it uses less digits than its factorization.

4158965 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 568.

The product of its digits is 43200, while the sum is 38.

The square root of 4158965 is about 2039.3540644037. The cubic root of 4158965 is about 160.8156912528.

The spelling of 4158965 in words is "four million, one hundred fifty-eight thousand, nine hundred sixty-five".