365965 has 8 divisors (see below), whose sum is σ = 447768. Its totient is φ = 287040.

The previous prime is 365941. The next prime is 365969. The reversal of 365965 is 569563.

It can be written as a sum of positive squares in 4 ways, for example, as 59049 + 306916 = 243^2 + 554^2 .

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

It is not a de Polignac number, because 365965 - 2⁵ = 365933 is a prime.

It is a Duffinian number.

It is a nialpdrome in base 13.

It is a self number, because there is not a number n which added to its sum of digits gives 365965.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (365969) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 426 + ... + 955.

It is an arithmetic number, because the mean of its divisors is an integer number (55971).

2³⁶⁵⁹⁶⁵ is an apocalyptic number.

It is an amenable number.

365965 is a deficient number, since it is larger than the sum of its proper divisors (81803).

365965 is a wasteful number, since it uses less digits than its factorization.

365965 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1439.

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

The square root of 365965 is about 604.9504111909. The cubic root of 365965 is about 71.5286207488.

The spelling of 365965 in words is "three hundred sixty-five thousand, nine hundred sixty-five".