341820 has 60 divisors (see below), whose sum is σ = 1077384. Its totient is φ = 90720.

The previous prime is 341813. The next prime is 341821. The reversal of 341820 is 28143.

It is a happy number.

It is a tau number, because it is divible by the number of its divisors (60).

It is a Harshad number since it is a multiple of its sum of digits (18).

It is a junction number, because it is equal to n+sod(n) for n = 341793 and 341802.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (341821) 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 19 ways as a sum of consecutive naturals, for example, 1515 + ... + 1725.

2³⁴¹⁸²⁰ is an apocalyptic number.

341820 is a gapful number since it is divisible by the number (30) formed by its first and last digit.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 341820, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (538692).

341820 is an abundant number, since it is smaller than the sum of its proper divisors (735564).

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

341820 is a wasteful number, since it uses less digits than its factorization.

341820 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 232 (or 221 counting only the distinct ones).

The product of its (nonzero) digits is 192, while the sum is 18.

The square root of 341820 is about 584.6537436808. The cubic root of 341820 is about 69.9196356632.

Adding to 341820 its reverse (28143), we get a palindrome (369963).

The spelling of 341820 in words is "three hundred forty-one thousand, eight hundred twenty".