850628 has 12 divisors (see below), whose sum is σ = 1540140. Its totient is φ = 410592.

The previous prime is 850613. The next prime is 850631. The reversal of 850628 is 826058.

It is a happy number.

It can be written as a sum of positive squares in 2 ways, for example, as 158404 + 692224 = 398^2 + 832^2 .

It is a hoax number, since the sum of its digits (29) coincides with the sum of the digits of its distinct prime factors.

It is a Harshad number since it is a multiple of its sum of digits (29).

It is a self number, because there is not a number n which added to its sum of digits gives 850628.

It is an unprimeable number.

850628 is an untouchable number, because it is not equal to the sum of proper divisors of any number.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 3551 + ... + 3782.

It is an arithmetic number, because the mean of its divisors is an integer number (128345).

2⁸⁵⁰⁶²⁸ is an apocalyptic number.

It is an amenable number.

850628 is a deficient number, since it is larger than the sum of its proper divisors (689512).

850628 is a wasteful number, since it uses less digits than its factorization.

850628 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 7366 (or 7364 counting only the distinct ones).

The product of its (nonzero) digits is 3840, while the sum is 29.

The square root of 850628 is about 922.2949636640. The cubic root of 850628 is about 94.7501467777.

The spelling of 850628 in words is "eight hundred fifty thousand, six hundred twenty-eight".