628115 has 8 divisors (see below), whose sum is σ = 758160. Its totient is φ = 499552.

The previous prime is 628097. The next prime is 628127. The reversal of 628115 is 511826.

628115 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 628115 - 2⁶ = 628051 is a prime.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 1112 + ... + 1578.

It is an arithmetic number, because the mean of its divisors is an integer number (94770).

2⁶²⁸¹¹⁵ is an apocalyptic number.

628115 is a deficient number, since it is larger than the sum of its proper divisors (130045).

628115 is a wasteful number, since it uses less digits than its factorization.

628115 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 741.

The product of its digits is 480, while the sum is 23.

The square root of 628115 is about 792.5370653793. The cubic root of 628115 is about 85.6406040079.

The spelling of 628115 in words is "six hundred twenty-eight thousand, one hundred fifteen".