628167 has 16 divisors (see below), whose sum is σ = 902880. Its totient is φ = 387072.

The previous prime is 628139. The next prime is 628171. The reversal of 628167 is 761826.

It is a happy number.

It is not a de Polignac number, because 628167 - 2⁸ = 627911 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (628127) 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, 5503 + ... + 5615.

It is an arithmetic number, because the mean of its divisors is an integer number (56430).

2⁶²⁸¹⁶⁷ is an apocalyptic number.

628167 is a deficient number, since it is larger than the sum of its proper divisors (274713).

628167 is a wasteful number, since it uses less digits than its factorization.

628167 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 242.

The product of its digits is 4032, while the sum is 30.

The square root of 628167 is about 792.5698707370. The cubic root of 628167 is about 85.6429672633.

The spelling of 628167 in words is "six hundred twenty-eight thousand, one hundred sixty-seven".