366520 has 96 divisors (see below), whose sum is σ = 1108080. Its totient is φ = 107520.

The previous prime is 366517. The next prime is 366521. The reversal of 366520 is 25663.

It is a Harshad number since it is a multiple of its sum of digits (22).

It is a junction number, because it is equal to n+sod(n) for n = 366491 and 366500.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (366521) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 21552 + ... + 21568.

2³⁶⁶⁵²⁰ 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 366520, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (554040).

366520 is an abundant number, since it is smaller than the sum of its proper divisors (741560).

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

366520 is a wasteful number, since it uses less digits than its factorization.

366520 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 53 (or 42 counting only the distinct ones).

The product of its (nonzero) digits is 1080, while the sum is 22.

The square root of 366520 is about 605.4089526923. The cubic root of 366520 is about 71.5647611205.

It can be divided in two parts, 36 and 6520, that added together give a palindrome (6556).

The spelling of 366520 in words is "three hundred sixty-six thousand, five hundred twenty".