628614 has 32 divisors (see below), whose sum is σ = 1597440. Its totient is φ = 179496.

The previous prime is 628591. The next prime is 628651. The reversal of 628614 is 416826.

628614 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a Harshad number since it is a multiple of its sum of digits (27).

It is a Curzon number.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 454 + ... + 1209.

It is an arithmetic number, because the mean of its divisors is an integer number (49920).

2⁶²⁸⁶¹⁴ is an apocalyptic number.

628614 is an abundant number, since it is smaller than the sum of its proper divisors (968826).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

628614 is a wasteful number, since it uses less digits than its factorization.

628614 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1681 (or 1675 counting only the distinct ones).

The product of its digits is 2304, while the sum is 27.

The square root of 628614 is about 792.8518146539. The cubic root of 628614 is about 85.6632767933.

The spelling of 628614 in words is "six hundred twenty-eight thousand, six hundred fourteen".