365867 has 4 divisors (see below), whose sum is σ = 367080. Its totient is φ = 364656.

The previous prime is 365851. The next prime is 365903. The reversal of 365867 is 768563.

It is a happy number.

It is a semiprime because it is the product of two primes, and also a brilliant number, because the two primes have the same length.

It is a cyclic number.

It is not a de Polignac number, because 365867 - 2⁴ = 365851 is a prime.

It is a Duffinian number.

It is a plaindrome in base 12.

It is an inconsummate number, since it does not exist a number n which divided by its sum of digits gives 365867.

It is not an unprimeable number, because it can be changed into a prime (365837) 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, 248 + ... + 890.

It is an arithmetic number, because the mean of its divisors is an integer number (91770).

2³⁶⁵⁸⁶⁷ is an apocalyptic number.

365867 is a deficient number, since it is larger than the sum of its proper divisors (1213).

365867 is an equidigital number, since it uses as much as digits as its factorization.

365867 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1212.

The product of its digits is 30240, while the sum is 35.

The square root of 365867 is about 604.8694073930. The cubic root of 365867 is about 71.5222354108.

The spelling of 365867 in words is "three hundred sixty-five thousand, eight hundred sixty-seven".