366620 has 24 divisors (see below), whose sum is σ = 804384. Its totient is φ = 140096.

The previous prime is 366607. The next prime is 366631. The reversal of 366620 is 26663.

It is a Harshad number since it is a multiple of its sum of digits (23).

It is an Ulam number.

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 366620.

It is an unprimeable number.

366620 is an untouchable number, because it is not equal to the sum of proper divisors of any number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 62 + ... + 858.

It is an arithmetic number, because the mean of its divisors is an integer number (33516).

2³⁶⁶⁶²⁰ 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 366620, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (402192).

366620 is an abundant number, since it is smaller than the sum of its proper divisors (437764).

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

366620 is a wasteful number, since it uses less digits than its factorization.

366620 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 829 (or 827 counting only the distinct ones).

The product of its (nonzero) digits is 1296, while the sum is 23.

The square root of 366620 is about 605.4915358616. The cubic root of 366620 is about 71.5712690194.

The spelling of 366620 in words is "three hundred sixty-six thousand, six hundred twenty".