628277 has 8 divisors (see below), whose sum is σ = 698880. Its totient is φ = 560880.

The previous prime is 628267. The next prime is 628289. The reversal of 628277 is 772826.

628277 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 628277 - 2⁴ = 628261 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (628207) 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, 377 + ... + 1182.

It is an arithmetic number, because the mean of its divisors is an integer number (87360).

2⁶²⁸²⁷⁷ is an apocalyptic number.

It is an amenable number.

628277 is a deficient number, since it is larger than the sum of its proper divisors (70603).

628277 is a wasteful number, since it uses less digits than its factorization.

628277 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1603.

The product of its digits is 9408, while the sum is 32.

The square root of 628277 is about 792.6392622120. The cubic root of 628277 is about 85.6479660278.

The spelling of 628277 in words is "six hundred twenty-eight thousand, two hundred seventy-seven".