628875 has 48 divisors (see below), whose sum is σ = 1249248. Its totient is φ = 302400.

The previous prime is 628861. The next prime is 628877. The reversal of 628875 is 578826.

It is not a de Polignac number, because 628875 - 2⁶ = 628811 is a prime.

Its product of digits (26880) is a multiple of the sum of its prime divisors (64).

It is a nialpdrome in base 15.

It is not an unprimeable number, because it can be changed into a prime (628877) by changing a digit.

It is a polite number, since it can be written in 47 ways as a sum of consecutive naturals, for example, 14604 + ... + 14646.

It is an arithmetic number, because the mean of its divisors is an integer number (26026).

2⁶²⁸⁸⁷⁵ is an apocalyptic number.

628875 is a gapful number since it is divisible by the number (65) formed by its first and last digit.

628875 is a deficient number, since it is larger than the sum of its proper divisors (620373).

628875 is a wasteful number, since it uses less digits than its factorization.

628875 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 77 (or 64 counting only the distinct ones).

The product of its digits is 26880, while the sum is 36.

The square root of 628875 is about 793.0163932732. The cubic root of 628875 is about 85.6751309261.

The spelling of 628875 in words is "six hundred twenty-eight thousand, eight hundred seventy-five".