365873 has 4 divisors (see below), whose sum is σ = 368448. Its totient is φ = 363300.

The previous prime is 365851. The next prime is 365903. The reversal of 365873 is 378563.

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, and also an emirpimes, since its reverse is a distinct semiprime: 378563 = 83 ⋅4561.

It is a cyclic number.

It is not a de Polignac number, because 365873 - 2⁶ = 365809 is a prime.

It is a Duffinian number.

It is an inconsummate number, since it does not exist a number n which divided by its sum of digits gives 365873.

It is not an unprimeable number, because it can be changed into a prime (365173) 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, 1061 + ... + 1362.

It is an arithmetic number, because the mean of its divisors is an integer number (92112).

2³⁶⁵⁸⁷³ is an apocalyptic number.

It is an amenable number.

365873 is a deficient number, since it is larger than the sum of its proper divisors (2575).

365873 is a wasteful number, since it uses less digits than its factorization.

365873 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2574.

The product of its digits is 15120, while the sum is 32.

The square root of 365873 is about 604.8743671210. The cubic root of 365873 is about 71.5226263827.

The spelling of 365873 in words is "three hundred sixty-five thousand, eight hundred seventy-three".