416397565 has 8 divisors (see below), whose sum is σ = 499819320. Its totient is φ = 333023232.

The previous prime is 416397557. The next prime is 416397587. The reversal of 416397565 is 565793614.

It can be written as a sum of positive squares in 4 ways, for example, as 20666116 + 395731449 = 4546^2 + 19893^2 .

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

It is a cyclic number.

It is not a de Polignac number, because 416397565 - 2³ = 416397557 is a prime.

It is a congruent number.

It is an unprimeable number.

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 7 ways as a sum of consecutive naturals, for example, 11737 + ... + 31153.

It is an arithmetic number, because the mean of its divisors is an integer number (62477415).

Almost surely, 2^416397565 is an apocalyptic number.

It is an amenable number.

416397565 is a deficient number, since it is larger than the sum of its proper divisors (83421755).

416397565 is a wasteful number, since it uses less digits than its factorization.

416397565 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 23711.

The product of its digits is 680400, while the sum is 46.

The square root of 416397565 is about 20405.8218408375. The cubic root of 416397565 is about 746.7399626664.

The spelling of 416397565 in words is "four hundred sixteen million, three hundred ninety-seven thousand, five hundred sixty-five".