628235 has 16 divisors (see below), whose sum is σ = 842400. Its totient is φ = 446976.

The previous prime is 628231. The next prime is 628261. The reversal of 628235 is 532826.

It is a cyclic number.

It is not a de Polignac number, because 628235 - 2² = 628231 is a prime.

It is a plaindrome in base 9.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (628231) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 1421 + ... + 1809.

It is an arithmetic number, because the mean of its divisors is an integer number (52650).

2⁶²⁸²³⁵ is an apocalyptic number.

628235 is a deficient number, since it is larger than the sum of its proper divisors (214165).

628235 is a wasteful number, since it uses less digits than its factorization.

628235 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 430.

The product of its digits is 2880, while the sum is 26.

The square root of 628235 is about 792.6127680021. The cubic root of 628235 is about 85.6460574775.

The spelling of 628235 in words is "six hundred twenty-eight thousand, two hundred thirty-five".