628595 has 12 divisors (see below), whose sum is σ = 829920. Its totient is φ = 456720.

The previous prime is 628591. The next prime is 628651. The reversal of 628595 is 595826.

It is not a de Polignac number, because 628595 - 2² = 628591 is a prime.

It is a super-3 number, since 3×628595³ = 745133383901234625, which contains 333 as substring.

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 (628591) by changing a digit.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 86 + ... + 1124.

It is an arithmetic number, because the mean of its divisors is an integer number (69160).

2⁶²⁸⁵⁹⁵ is an apocalyptic number.

628595 is a deficient number, since it is larger than the sum of its proper divisors (201325).

628595 is a wasteful number, since it uses less digits than its factorization.

628595 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1066 (or 1055 counting only the distinct ones).

The product of its digits is 21600, while the sum is 35.

The square root of 628595 is about 792.8398325009. The cubic root of 628595 is about 85.6624137206.

The spelling of 628595 in words is "six hundred twenty-eight thousand, five hundred ninety-five".