628065 has 24 divisors (see below), whose sum is σ = 1154088. Its totient is φ = 314880.

The previous prime is 628063. The next prime is 628093. The reversal of 628065 is 560826.

It can be written as a sum of positive squares in 4 ways, for example, as 74529 + 553536 = 273^2 + 744^2 .

It is not a de Polignac number, because 628065 - 2¹ = 628063 is a prime.

It is a hoax number, since the sum of its digits (27) coincides with the sum of the digits of its distinct prime factors.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (628063) by changing a digit.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 355 + ... + 1175.

It is an arithmetic number, because the mean of its divisors is an integer number (48087).

2⁶²⁸⁰⁶⁵ is an apocalyptic number.

It is an amenable number.

628065 is a deficient number, since it is larger than the sum of its proper divisors (526023).

628065 is a wasteful number, since it uses less digits than its factorization.

628065 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 849 (or 846 counting only the distinct ones).

The product of its (nonzero) digits is 2880, while the sum is 27.

The square root of 628065 is about 792.5055204855. The cubic root of 628065 is about 85.6383315239.

The spelling of 628065 in words is "six hundred twenty-eight thousand, sixty-five".