628265 has 8 divisors (see below), whose sum is σ = 822528. Its totient is φ = 456880.

The previous prime is 628261. The next prime is 628267. The reversal of 628265 is 562826.

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

It is not a de Polignac number, because 628265 - 2² = 628261 is a prime.

It is a Duffinian number.

It is a Curzon number.

It is an inconsummate number, since it does not exist a number n which divided by its sum of digits gives 628265.

It is not an unprimeable number, because it can be changed into a prime (628261) 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, 5657 + ... + 5766.

It is an arithmetic number, because the mean of its divisors is an integer number (102816).

2⁶²⁸²⁶⁵ is an apocalyptic number.

It is an amenable number.

628265 is a deficient number, since it is larger than the sum of its proper divisors (194263).

628265 is a wasteful number, since it uses less digits than its factorization.

628265 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 11439.

The product of its digits is 5760, while the sum is 29.

The square root of 628265 is about 792.6316925281. The cubic root of 628265 is about 85.6474207364.

The spelling of 628265 in words is "six hundred twenty-eight thousand, two hundred sixty-five".