359665 has 4 divisors (see below), whose sum is σ = 431604. Its totient is φ = 287728.

The previous prime is 359663. The next prime is 359701. The reversal of 359665 is 566953.

It is a semiprime because it is the product of two primes, and also an emirpimes, since its reverse is a distinct semiprime: 566953 = 311 ⋅1823.

It can be written as a sum of positive squares in 2 ways, for example, as 44944 + 314721 = 212^2 + 561^2 .

It is a cyclic number.

It is not a de Polignac number, because 359665 - 2¹ = 359663 is a prime.

It is a Duffinian number.

It is a self number, because there is not a number n which added to its sum of digits gives 359665.

It is not an unprimeable number, because it can be changed into a prime (359663) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 35962 + ... + 35971.

It is an arithmetic number, because the mean of its divisors is an integer number (107901).

2³⁵⁹⁶⁶⁵ is an apocalyptic number.

It is an amenable number.

359665 is a deficient number, since it is larger than the sum of its proper divisors (71939).

359665 is an equidigital number, since it uses as much as digits as its factorization.

359665 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 71938.

The product of its digits is 24300, while the sum is 34.

The square root of 359665 is about 599.7207683581. The cubic root of 359665 is about 71.1157933296.

It can be divided in two parts, 359 and 665, that added together give a 10-th power (1024 = 2¹⁰).

The spelling of 359665 in words is "three hundred fifty-nine thousand, six hundred sixty-five".