647362442 has 16 divisors (see below), whose sum is σ = 988355520. Its totient is φ = 317938368.

The previous prime is 647362427. The next prime is 647362481. The reversal of 647362442 is 244263746.

It is a junction number, because it is equal to n+sod(n) for n = 647362396 and 647362405.

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 7 ways as a sum of consecutive naturals, for example, 41378 + ... + 54834.

It is an arithmetic number, because the mean of its divisors is an integer number (61772220).

Almost surely, 2^647362442 is an apocalyptic number.

647362442 is a deficient number, since it is larger than the sum of its proper divisors (340993078).

647362442 is a wasteful number, since it uses less digits than its factorization.

647362442 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 13885.

The product of its digits is 193536, while the sum is 38.

The square root of 647362442 is about 25443.3182191317. The cubic root of 647362442 is about 865.0658472822.

The spelling of 647362442 in words is "six hundred forty-seven million, three hundred sixty-two thousand, four hundred forty-two".