408601165 has 16 divisors (see below), whose sum is σ = 563472000. Its totient is φ = 278631360.

The previous prime is 408601157. The next prime is 408601169. The reversal of 408601165 is 561106804.

It is not a de Polignac number, because 408601165 - 2³ = 408601157 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (408601169) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 25915 + ... + 38584.

It is an arithmetic number, because the mean of its divisors is an integer number (35217000).

Almost surely, 2^408601165 is an apocalyptic number.

It is an amenable number.

408601165 is a deficient number, since it is larger than the sum of its proper divisors (154870835).

408601165 is a wasteful number, since it uses less digits than its factorization.

408601165 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 64692.

The product of its (nonzero) digits is 5760, while the sum is 31.

The square root of 408601165 is about 20213.8854503532. The cubic root of 408601165 is about 742.0500525662.

Adding to 408601165 its reverse (561106804), we get a palindrome (969707969).

It can be divided in two parts, 40860 and 1165, that added together give a square (42025 = 205²).

The spelling of 408601165 in words is "four hundred eight million, six hundred one thousand, one hundred sixty-five".