628019 has 8 divisors (see below), whose sum is σ = 728160. Its totient is φ = 530496.

The previous prime is 628013. The next prime is 628021. The reversal of 628019 is 910826.

628019 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a cyclic number.

It is not a de Polignac number, because 628019 - 2¹² = 623923 is a prime.

It is a super-2 number, since 2×628019² = 788815728722, which contains 22 as substring.

It is a Duffinian number.

It is a nialpdrome in base 16.

It is not an unprimeable number, because it can be changed into a prime (628013) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 104 + ... + 1125.

It is an arithmetic number, because the mean of its divisors is an integer number (91020).

2⁶²⁸⁰¹⁹ is an apocalyptic number.

628019 is a deficient number, since it is larger than the sum of its proper divisors (100141).

628019 is a wasteful number, since it uses less digits than its factorization.

628019 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1309.

The product of its (nonzero) digits is 864, while the sum is 26.

The square root of 628019 is about 792.4764980742. The cubic root of 628019 is about 85.6362407322.

The spelling of 628019 in words is "six hundred twenty-eight thousand, nineteen".