628802 has 4 divisors (see below), whose sum is σ = 943206. Its totient is φ = 314400.

The previous prime is 628801. The next prime is 628811. The reversal of 628802 is 208826.

It is a semiprime because it is the product of two primes.

It can be written as a sum of positive squares in only one way, i.e., 477481 + 151321 = 691^2 + 389^2 .

It is a nialpdrome in base 16.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (628801) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (7) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 157199 + ... + 157202.

2⁶²⁸⁸⁰² is an apocalyptic number.

628802 is a deficient number, since it is larger than the sum of its proper divisors (314404).

628802 is a wasteful number, since it uses less digits than its factorization.

628802 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 314403.

The product of its (nonzero) digits is 1536, while the sum is 26.

The square root of 628802 is about 792.9703651461. The cubic root of 628802 is about 85.6718157328.

The spelling of 628802 in words is "six hundred twenty-eight thousand, eight hundred two".