47286643 has 8 divisors (see below), whose sum is σ = 49545216. Its totient is φ = 45045000.

The previous prime is 47286641. The next prime is 47286647. The reversal of 47286643 is 34668274.

It is a happy number.

47286643 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a cyclic number.

It is not a de Polignac number, because 47286643 - 2¹ = 47286641 is a prime.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 47286596 and 47286605.

It is not an unprimeable number, because it can be changed into a prime (47286641) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 1678 + ... + 9868.

It is an arithmetic number, because the mean of its divisors is an integer number (6193152).

Almost surely, 2^47286643 is an apocalyptic number.

47286643 is a deficient number, since it is larger than the sum of its proper divisors (2258573).

47286643 is a wasteful number, since it uses less digits than its factorization.

47286643 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 8465.

The product of its digits is 193536, while the sum is 40.

The square root of 47286643 is about 6876.5284119241. The cubic root of 47286643 is about 361.6147703385.

The spelling of 47286643 in words is "forty-seven million, two hundred eighty-six thousand, six hundred forty-three".