341821620 has 240 divisors, whose sum is σ = 1255782528. Its totient is φ = 76204800.

The previous prime is 341821603. The next prime is 341821621. The reversal of 341821620 is 26128143.

341821620 is a `hidden beast` number, since 3 + 4 + 18 + 21 + 620 = 666.

It is a Harshad number since it is a multiple of its sum of digits (27).

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (341821621) by changing a digit.

It is a polite number, since it can be written in 79 ways as a sum of consecutive naturals, for example, 487270 + ... + 487970.

Almost surely, 2^341821620 is an apocalyptic number.

341821620 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 341821620, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (627891264).

341821620 is an abundant number, since it is smaller than the sum of its proper divisors (913960908).

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

341821620 is a wasteful number, since it uses less digits than its factorization.

341821620 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 772 (or 761 counting only the distinct ones).

The product of its (nonzero) digits is 2304, while the sum is 27.

The square root of 341821620 is about 18488.4185370193. The cubic root of 341821620 is about 699.1974612061.

Adding to 341821620 its reverse (26128143), we get a palindrome (367949763).

The spelling of 341821620 in words is "three hundred forty-one million, eight hundred twenty-one thousand, six hundred twenty".