369820 has 36 divisors (see below), whose sum is σ = 868392. Its totient is φ = 131200.

The previous prime is 369793. The next prime is 369821. The reversal of 369820 is 28963.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (369821) by changing a digit.

369820 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 11 ways as a sum of consecutive naturals, for example, 9000 + ... + 9040.

It is an arithmetic number, because the mean of its divisors is an integer number (24122).

2³⁶⁹⁸²⁰ 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 369820, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (434196).

369820 is an abundant number, since it is smaller than the sum of its proper divisors (498572).

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

369820 is a wasteful number, since it uses less digits than its factorization.

369820 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 102 (or 59 counting only the distinct ones).

The product of its (nonzero) digits is 2592, while the sum is 28.

The square root of 369820 is about 608.1282759418. The cubic root of 369820 is about 71.7788999226.

The spelling of 369820 in words is "three hundred sixty-nine thousand, eight hundred twenty".