906628 has 6 divisors (see below), whose sum is σ = 1586606. Its totient is φ = 453312.

The previous prime is 906617. The next prime is 906641. The reversal of 906628 is 826609.

906628 is digitally balanced in base 2, 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 only one way, i.e., 906304 + 324 = 952^2 + 18^2 .

It is a self number, because there is not a number n which added to its sum of digits gives 906628.

It is an unprimeable number.

906628 is an untouchable number, because it is not equal to the sum of proper divisors of any number.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 113325 + ... + 113332.

2⁹⁰⁶⁶²⁸ is an apocalyptic number.

It is an amenable number.

906628 is a deficient number, since it is larger than the sum of its proper divisors (679978).

906628 is a wasteful number, since it uses less digits than its factorization.

906628 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 226661 (or 226659 counting only the distinct ones).

The product of its (nonzero) digits is 5184, while the sum is 31.

The square root of 906628 is about 952.1701528613. The cubic root of 906628 is about 96.7853687788.

The spelling of 906628 in words is "nine hundred six thousand, six hundred twenty-eight".