47084647 has 4 divisors (see below), whose sum is σ = 48086496. Its totient is φ = 46082800.

The previous prime is 47084633. The next prime is 47084651. The reversal of 47084647 is 74648074.

It is a semiprime because it is the product of two primes.

It is a cyclic number.

It is not a de Polignac number, because 47084647 - 2¹¹ = 47082599 is a prime.

It is a super-2 number, since 2×47084647² = 4433927966229218, which contains 22 as substring.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (47084047) 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, 500854 + ... + 500947.

It is an arithmetic number, because the mean of its divisors is an integer number (12021624).

Almost surely, 2^47084647 is an apocalyptic number.

47084647 is a gapful number since it is divisible by the number (47) formed by its first and last digit.

47084647 is a deficient number, since it is larger than the sum of its proper divisors (1001849).

47084647 is a wasteful number, since it uses less digits than its factorization.

47084647 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1001848.

The product of its (nonzero) digits is 150528, while the sum is 40.

The square root of 47084647 is about 6861.8253402429. The cubic root of 47084647 is about 361.0991279407.

The spelling of 47084647 in words is "forty-seven million, eighty-four thousand, six hundred forty-seven".