628958 has 24 divisors (see below), whose sum is σ = 1091664. Its totient is φ = 271040.

The previous prime is 628939. The next prime is 628973. The reversal of 628958 is 859826.

Its product of digits (34560) is a multiple of the sum of its prime factors (160).

It is a congruent number.

It is an unprimeable number.

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 11 ways as a sum of consecutive naturals, for example, 5510 + ... + 5622.

It is an arithmetic number, because the mean of its divisors is an integer number (45486).

2⁶²⁸⁹⁵⁸ is an apocalyptic number.

628958 is a deficient number, since it is larger than the sum of its proper divisors (462706).

628958 is a wasteful number, since it uses less digits than its factorization.

628958 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 160 (or 149 counting only the distinct ones).

The product of its digits is 34560, while the sum is 38.

The square root of 628958 is about 793.0687233777. The cubic root of 628958 is about 85.6788999438.

The spelling of 628958 in words is "six hundred twenty-eight thousand, nine hundred fifty-eight".