365289 has 4 divisors (see below), whose sum is σ = 487056. Its totient is φ = 243524.

The previous prime is 365257. The next prime is 365291. The reversal of 365289 is 982563.

It is a happy number.

It is a semiprime because it is the product of two primes, and also a Blum integer, because the two primes are equal to 3 mod 4.

It is a cyclic number.

It is not a de Polignac number, because 365289 - 2⁵ = 365257 is a prime.

It is a d-powerful number, because it can be written as 3⁹ + 6⁷ + 2¹⁵ + 5³ + 8⁵ + 9 .

It is a D-number.

365289 is a lucky number.

It is an inconsummate number, since it does not exist a number n which divided by its sum of digits gives 365289.

It is not an unprimeable number, because it can be changed into a prime (365249) 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, 60879 + ... + 60884.

It is an arithmetic number, because the mean of its divisors is an integer number (121764).

2³⁶⁵²⁸⁹ is an apocalyptic number.

It is an amenable number.

365289 is a deficient number, since it is larger than the sum of its proper divisors (121767).

365289 is a wasteful number, since it uses less digits than its factorization.

365289 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 121766.

The product of its digits is 12960, while the sum is 33.

The square root of 365289 is about 604.3914294561. The cubic root of 365289 is about 71.4845517345.

It can be divided in two parts, 3652 and 89, that added together give a triangular number (3741 = T₈₆).

The spelling of 365289 in words is "three hundred sixty-five thousand, two hundred eighty-nine".