366320 has 40 divisors (see below), whose sum is σ = 900240. Its totient is φ = 138240.

The previous prime is 366313. The next prime is 366329. The reversal of 366320 is 23663.

It is a happy number.

It is a tau number, because it is divible by the number of its divisors (40).

It is a Harshad number since it is a multiple of its sum of digits (20).

It is an Ulam number.

It is a nialpdrome in base 13.

It is a junction number, because it is equal to n+sod(n) for n = 366292 and 366301.

It is a congruent number.

It is an inconsummate number, since it does not exist a number n which divided by its sum of digits gives 366320.

It is not an unprimeable number, because it can be changed into a prime (366329) 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, 1400 + ... + 1640.

It is an arithmetic number, because the mean of its divisors is an integer number (22506).

2³⁶⁶³²⁰ is an apocalyptic number.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 366320, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (450120).

366320 is an abundant number, since it is smaller than the sum of its proper divisors (533920).

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

366320 is a wasteful number, since it uses less digits than its factorization.

366320 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 273 (or 267 counting only the distinct ones).

The product of its (nonzero) digits is 648, while the sum is 20.

The square root of 366320 is about 605.2437525493. The cubic root of 366320 is about 71.5517417706.

Adding to 366320 its reverse (23663), we get a palindrome (389983).

It can be divided in two parts, 366 and 320, that added together give a palindrome (686).

The spelling of 366320 in words is "three hundred sixty-six thousand, three hundred twenty".