396628 has 12 divisors (see below), whose sum is σ = 698740. Its totient is φ = 196992.

The previous prime is 396623. The next prime is 396629. The reversal of 396628 is 826693.

It is a happy number.

396628 is digitally balanced in base 3, because in such base it contains all the possibile digits an equal number of times.

It can be written as a sum of positive squares in 2 ways, for example, as 213444 + 183184 = 462^2 + 428^2 .

It is a junction number, because it is equal to n+sod(n) for n = 396593 and 396602.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (396623) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 700 + ... + 1132.

2³⁹⁶⁶²⁸ is an apocalyptic number.

It is an amenable number.

396628 is a deficient number, since it is larger than the sum of its proper divisors (302112).

396628 is a wasteful number, since it uses less digits than its factorization.

396628 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 666 (or 664 counting only the distinct ones).

The product of its digits is 15552, while the sum is 34.

The square root of 396628 is about 629.7840899864. The cubic root of 396628 is about 73.4730028728.

It can be divided in two parts, 396 and 628, that added together give a 10-th power (1024 = 2¹⁰).

The spelling of 396628 in words is "three hundred ninety-six thousand, six hundred twenty-eight".