628011 has 6 divisors (see below), whose sum is σ = 907140. Its totient is φ = 418668.

The previous prime is 627973. The next prime is 628013. The reversal of 628011 is 110826.

628011 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 628011 - 2⁶ = 627947 is a prime.

It is a super-2 number, since 2×628011² = 788795632242, which contains 22 as substring.

It is not an unprimeable number, because it can be changed into a prime (628013) by changing a digit.

It is a polite number, since it can be written in 5 ways as a sum of consecutive naturals, for example, 34881 + ... + 34898.

It is an arithmetic number, because the mean of its divisors is an integer number (151190).

2⁶²⁸⁰¹¹ is an apocalyptic number.

628011 is a deficient number, since it is larger than the sum of its proper divisors (279129).

628011 is a wasteful number, since it uses less digits than its factorization.

628011 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 69785 (or 69782 counting only the distinct ones).

The product of its (nonzero) digits is 96, while the sum is 18.

The square root of 628011 is about 792.4714505899. The cubic root of 628011 is about 85.6358771058.

Adding to 628011 its reverse (110826), we get a palindrome (738837).

The spelling of 628011 in words is "six hundred twenty-eight thousand, eleven".