671006356 has 12 divisors (see below), whose sum is σ = 1236064480. Its totient is φ = 317845080.

The previous prime is 671006339. The next prime is 671006383. The reversal of 671006356 is 653600176.

It is a happy number.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 4414440 + ... + 4414591.

Almost surely, 2^671006356 is an apocalyptic number.

It is an amenable number.

671006356 is a deficient number, since it is larger than the sum of its proper divisors (565058124).

671006356 is a wasteful number, since it uses less digits than its factorization.

671006356 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 8829054 (or 8829052 counting only the distinct ones).

The product of its (nonzero) digits is 22680, while the sum is 34.

The square root of 671006356 is about 25903.7903790160. The cubic root of 671006356 is about 875.4719004446.

The spelling of 671006356 in words is "six hundred seventy-one million, six thousand, three hundred fifty-six".