867628 has 12 divisors (see below), whose sum is σ = 1567552. Its totient is φ = 419760.

The previous prime is 867623. The next prime is 867631. The reversal of 867628 is 826768.

It is a hoax number, since the sum of its digits (37) coincides with the sum of the digits of its distinct prime factors.

It is not an unprimeable number, because it can be changed into a prime (867623) by changing a digit.

867628 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, 3375 + ... + 3622.

2⁸⁶⁷⁶²⁸ is an apocalyptic number.

It is an amenable number.

867628 is a deficient number, since it is larger than the sum of its proper divisors (699924).

867628 is a wasteful number, since it uses less digits than its factorization.

867628 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 7032 (or 7030 counting only the distinct ones).

The product of its digits is 32256, while the sum is 37.

The square root of 867628 is about 931.4655119756. The cubic root of 867628 is about 95.3771892482.

The spelling of 867628 in words is "eight hundred sixty-seven thousand, six hundred twenty-eight".