42848947 has 4 divisors (see below), whose sum is σ = 43273296. Its totient is φ = 42424600.

The previous prime is 42848929. The next prime is 42848957. The reversal of 42848947 is 74984824.

It is a happy number.

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 42848947 - 2²³ = 34460339 is a prime.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 42848897 and 42848906.

It is not an unprimeable number, because it can be changed into a prime (42848917) 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, 212023 + ... + 212224.

It is an arithmetic number, because the mean of its divisors is an integer number (10818324).

Almost surely, 2^42848947 is an apocalyptic number.

42848947 is a deficient number, since it is larger than the sum of its proper divisors (424349).

42848947 is a wasteful number, since it uses less digits than its factorization.

42848947 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 424348.

The product of its digits is 516096, while the sum is 46.

The square root of 42848947 is about 6545.9107082208. The cubic root of 42848947 is about 349.9290931189.

It can be divided in two parts, 4284 and 8947, that added together give a palindrome (13231).

The spelling of 42848947 in words is "forty-two million, eight hundred forty-eight thousand, nine hundred forty-seven".