8533947 has 4 divisors (see below), whose sum is σ = 11378600. Its totient is φ = 5689296.

The previous prime is 8533933. The next prime is 8533951. The reversal of 8533947 is 7493358.

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

It is not a de Polignac number, because 8533947 - 2⁶ = 8533883 is a prime.

It is a Duffinian number.

8533947 is a lucky number.

It is not an unprimeable number, because it can be changed into a prime (8531947) 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 3 ways as a sum of consecutive naturals, for example, 1422322 + ... + 1422327.

It is an arithmetic number, because the mean of its divisors is an integer number (2844650).

Almost surely, 2^8533947 is an apocalyptic number.

8533947 is a deficient number, since it is larger than the sum of its proper divisors (2844653).

8533947 is a wasteful number, since it uses less digits than its factorization.

8533947 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2844652.

The product of its digits is 90720, while the sum is 39.

The square root of 8533947 is about 2921.2920086838. The cubic root of 8533947 is about 204.3540803808.

The spelling of 8533947 in words is "eight million, five hundred thirty-three thousand, nine hundred forty-seven".