416365 has 4 divisors (see below), whose sum is σ = 499644. Its totient is φ = 333088.

The previous prime is 416359. The next prime is 416387. The reversal of 416365 is 563614.

It is a semiprime because it is the product of two primes, and also an emirpimes, since its reverse is a distinct semiprime: 563614 = 2 ⋅281807.

It can be written as a sum of positive squares in 2 ways, for example, as 184041 + 232324 = 429^2 + 482^2 .

It is a cyclic number.

It is not a de Polignac number, because 416365 - 2⁵ = 416333 is a prime.

It is an alternating number because its digits alternate between even and odd.

It is a Duffinian number.

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 41632 + ... + 41641.

It is an arithmetic number, because the mean of its divisors is an integer number (124911).

2⁴¹⁶³⁶⁵ is an apocalyptic number.

It is an amenable number.

416365 is a deficient number, since it is larger than the sum of its proper divisors (83279).

416365 is an equidigital number, since it uses as much as digits as its factorization.

416365 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 83278.

The product of its digits is 2160, while the sum is 25.

The square root of 416365 is about 645.2635120631. The cubic root of 416365 is about 74.6720495517.

Adding to 416365 its reverse (563614), we get a palindrome (979979).

The spelling of 416365 in words is "four hundred sixteen thousand, three hundred sixty-five".