620841 has 8 divisors (see below), whose sum is σ = 891520. Its totient is φ = 382032.

The previous prime is 620831. The next prime is 620849. The reversal of 620841 is 148026.

620841 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a sphenic number, since it is the product of 3 distinct primes.

It is not a de Polignac number, because 620841 - 2⁶ = 620777 is a prime.

It is a Duffinian number.

It is a plaindrome in base 14.

It is not an unprimeable number, because it can be changed into a prime (620849) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 7921 + ... + 7998.

It is an arithmetic number, because the mean of its divisors is an integer number (111440).

2⁶²⁰⁸⁴¹ is an apocalyptic number.

It is an amenable number.

620841 is a deficient number, since it is larger than the sum of its proper divisors (270679).

620841 is a wasteful number, since it uses less digits than its factorization.

620841 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 15935.

The product of its (nonzero) digits is 384, while the sum is 21.

The square root of 620841 is about 787.9346419596. The cubic root of 620841 is about 85.3087273755.

Adding to 620841 its reverse (148026), we get a palindrome (768867).

The spelling of 620841 in words is "six hundred twenty thousand, eight hundred forty-one".