628061 has 16 divisors (see below), whose sum is σ = 774144. Its totient is φ = 497904.

The previous prime is 628057. The next prime is 628063. The reversal of 628061 is 160826.

It is not a de Polignac number, because 628061 - 2² = 628057 is a prime.

It is a Harshad number since it is a multiple of its sum of digits (23).

It is a congruent number.

It is an inconsummate number, since it does not exist a number n which divided by its sum of digits gives 628061.

It is not an unprimeable number, because it can be changed into a prime (628063) 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 15 ways as a sum of consecutive naturals, for example, 7526 + ... + 7608.

It is an arithmetic number, because the mean of its divisors is an integer number (48384).

2⁶²⁸⁰⁶¹ is an apocalyptic number.

It is an amenable number.

628061 is a deficient number, since it is larger than the sum of its proper divisors (146083).

628061 is a wasteful number, since it uses less digits than its factorization.

628061 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 160.

The product of its (nonzero) digits is 576, while the sum is 23.

The square root of 628061 is about 792.5029968398. The cubic root of 628061 is about 85.6381497200.

Adding to 628061 its reverse (160826), we get a palindrome (788887).

The spelling of 628061 in words is "six hundred twenty-eight thousand, sixty-one".