628375 has 16 divisors (see below), whose sum is σ = 857376. Its totient is φ = 456000.

The previous prime is 628373. The next prime is 628379. The reversal of 628375 is 573826.

It is not a de Polignac number, because 628375 - 2¹ = 628373 is a prime.

It is a Duffinian number.

628375 is a lucky number.

It is a plaindrome in base 14.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (628373) 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, 1147 + ... + 1603.

It is an arithmetic number, because the mean of its divisors is an integer number (53586).

2⁶²⁸³⁷⁵ is an apocalyptic number.

628375 is a deficient number, since it is larger than the sum of its proper divisors (229001).

628375 is a wasteful number, since it uses less digits than its factorization.

628375 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 483 (or 473 counting only the distinct ones).

The product of its digits is 10080, while the sum is 31.

The square root of 628375 is about 792.7010785914. The cubic root of 628375 is about 85.6524189810.

The spelling of 628375 in words is "six hundred twenty-eight thousand, three hundred seventy-five".