671004424 has 16 divisors (see below), whose sum is σ = 1298718720. Its totient is φ = 324679440.

The previous prime is 671004419. The next prime is 671004427. The reversal of 671004424 is 424400176.

It is a junction number, because it is equal to n+sod(n) for n = 671004392 and 671004401.

It is not an unprimeable number, because it can be changed into a prime (671004427) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 1352584 + ... + 1353079.

It is an arithmetic number, because the mean of its divisors is an integer number (81169920).

Almost surely, 2^671004424 is an apocalyptic number.

It is an amenable number.

671004424 is a deficient number, since it is larger than the sum of its proper divisors (627714296).

671004424 is a wasteful number, since it uses less digits than its factorization.

671004424 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2705700 (or 2705696 counting only the distinct ones).

The product of its (nonzero) digits is 5376, while the sum is 28.

The square root of 671004424 is about 25903.7530871494. The cubic root of 671004424 is about 875.4710602074.

The spelling of 671004424 in words is "six hundred seventy-one million, four thousand, four hundred twenty-four".