671006828 has 6 divisors (see below), whose sum is σ = 1174261956. Its totient is φ = 335503412.

The previous prime is 671006821. The next prime is 671006837. The reversal of 671006828 is 828600176.

It is a junction number, because it is equal to n+sod(n) for n = 671006791 and 671006800.

It is not an unprimeable number, because it can be changed into a prime (671006821) by changing a digit.

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 as a sum of consecutive naturals, namely, 83875850 + ... + 83875857.

It is an arithmetic number, because the mean of its divisors is an integer number (195710326).

Almost surely, 2^671006828 is an apocalyptic number.

It is an amenable number.

671006828 is a deficient number, since it is larger than the sum of its proper divisors (503255128).

671006828 is a wasteful number, since it uses less digits than its factorization.

671006828 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 167751711 (or 167751709 counting only the distinct ones).

The product of its (nonzero) digits is 32256, while the sum is 38.

The square root of 671006828 is about 25903.7994896502. The cubic root of 671006828 is about 875.4721057196.

The spelling of 671006828 in words is "six hundred seventy-one million, six thousand, eight hundred twenty-eight".