647311352 has 16 divisors (see below), whose sum is σ = 1214290440. Its totient is φ = 323500576.

The previous prime is 647311339. The next prime is 647311387. The reversal of 647311352 is 253113746.

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, 578 + ... + 35985.

Almost surely, 2^647311352 is an apocalyptic number.

It is an amenable number.

647311352 is a deficient number, since it is larger than the sum of its proper divisors (566979088).

647311352 is a wasteful number, since it uses less digits than its factorization.

647311352 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 38782 (or 38778 counting only the distinct ones).

The product of its digits is 15120, while the sum is 32.

The square root of 647311352 is about 25442.3142029179. The cubic root of 647311352 is about 865.0430896151.

The spelling of 647311352 in words is "six hundred forty-seven million, three hundred eleven thousand, three hundred fifty-two".