628702 has 4 divisors (see below), whose sum is σ = 943056. Its totient is φ = 314350.

The previous prime is 628699. The next prime is 628709. The reversal of 628702 is 207826.

It is a semiprime because it is the product of two primes, and also an emirpimes, since its reverse is a distinct semiprime: 207826 = 2 ⋅103913.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (628709) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 157174 + ... + 157177.

It is an arithmetic number, because the mean of its divisors is an integer number (235764).

2⁶²⁸⁷⁰² is an apocalyptic number.

628702 is a deficient number, since it is larger than the sum of its proper divisors (314354).

628702 is a wasteful number, since it uses less digits than its factorization.

628702 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 314353.

The product of its (nonzero) digits is 1344, while the sum is 25.

The square root of 628702 is about 792.9073085803. The cubic root of 628702 is about 85.6672739556.

The spelling of 628702 in words is "six hundred twenty-eight thousand, seven hundred two".