628041 has 4 divisors (see below), whose sum is σ = 837392. Its totient is φ = 418692.

The previous prime is 628037. The next prime is 628049. The reversal of 628041 is 140826.

It is a semiprime because it is the product of two primes, and also a Blum integer, because the two primes are equal to 3 mod 4.

It is not a de Polignac number, because 628041 - 2² = 628037 is a prime.

It is a D-number.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 627999 and 628017.

It is not an unprimeable number, because it can be changed into a prime (628049) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 104671 + ... + 104676.

It is an arithmetic number, because the mean of its divisors is an integer number (209348).

2⁶²⁸⁰⁴¹ is an apocalyptic number.

It is an amenable number.

628041 is a deficient number, since it is larger than the sum of its proper divisors (209351).

628041 is a wasteful number, since it uses less digits than its factorization.

628041 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 209350.

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

The square root of 628041 is about 792.4903784905. The cubic root of 628041 is about 85.6372406888.

Adding to 628041 its reverse (140826), we get a palindrome (768867).

The spelling of 628041 in words is "six hundred twenty-eight thousand, forty-one".