670228828 has 12 divisors (see below), whose sum is σ = 1184288560. Its totient is φ = 331860672.

The previous prime is 670228817. The next prime is 670228843. The reversal of 670228828 is 828822076.

It is a hoax number, since the sum of its digits (43) coincides with the sum of the digits of its distinct prime factors.

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 812973 + ... + 813796.

Almost surely, 2^670228828 is an apocalyptic number.

It is an amenable number.

670228828 is a deficient number, since it is larger than the sum of its proper divisors (514059732).

670228828 is a wasteful number, since it uses less digits than its factorization.

670228828 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1626876 (or 1626874 counting only the distinct ones).

The product of its (nonzero) digits is 172032, while the sum is 43.

The square root of 670228828 is about 25888.7780321899. The cubic root of 670228828 is about 875.1336189957.

The spelling of 670228828 in words is "six hundred seventy million, two hundred twenty-eight thousand, eight hundred twenty-eight".