628419 has 16 divisors (see below), whose sum is σ = 927360. Its totient is φ = 375360.

The previous prime is 628399. The next prime is 628423. The reversal of 628419 is 914826.

628419 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is not a de Polignac number, because 628419 - 2¹³ = 620227 is a prime.

It is a super-2 number, since 2×628419² = 789820879122, which contains 22 as substring.

It is not an unprimeable number, because it can be changed into a prime (628499) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 4452 + ... + 4590.

It is an arithmetic number, because the mean of its divisors is an integer number (57960).

2⁶²⁸⁴¹⁹ is an apocalyptic number.

628419 is a deficient number, since it is larger than the sum of its proper divisors (298941).

628419 is a wasteful number, since it uses less digits than its factorization.

628419 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 290.

The product of its digits is 3456, while the sum is 30.

The square root of 628419 is about 792.7288313162. The cubic root of 628419 is about 85.6544181155.

The spelling of 628419 in words is "six hundred twenty-eight thousand, four hundred nineteen".