365778 has 24 divisors (see below), whose sum is σ = 906048. Its totient is φ = 104472.

The previous prime is 365773. The next prime is 365779. The reversal of 365778 is 877563.

It is a nialpdrome in base 14.

It is an inconsummate number, since it does not exist a number n which divided by its sum of digits gives 365778.

It is not an unprimeable number, because it can be changed into a prime (365773) by changing a digit.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 1326 + ... + 1577.

It is an arithmetic number, because the mean of its divisors is an integer number (37752).

2³⁶⁵⁷⁷⁸ is an apocalyptic number.

365778 is an abundant number, since it is smaller than the sum of its proper divisors (540270).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

365778 is a wasteful number, since it uses less digits than its factorization.

365778 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2918 (or 2915 counting only the distinct ones).

The product of its digits is 35280, while the sum is 36.

The square root of 365778 is about 604.7958333190. The cubic root of 365778 is about 71.5164354934.

It can be divided in two parts, 36577 and 8, that added together give a triangular number (36585 = T₂₇₀).

The spelling of 365778 in words is "three hundred sixty-five thousand, seven hundred seventy-eight".