42843641 has 8 divisors (see below), whose sum is σ = 44808000. Its totient is φ = 40887792.

The previous prime is 42843607. The next prime is 42843659. The reversal of 42843641 is 14634824.

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 42843641 - 2¹⁰ = 42842617 is a prime.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 42843598 and 42843607.

It is not an unprimeable number, because it can be changed into a prime (42843041) by changing a digit.

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, 9611 + ... + 13343.

It is an arithmetic number, because the mean of its divisors is an integer number (5601000).

Almost surely, 2^42843641 is an apocalyptic number.

It is an amenable number.

42843641 is a deficient number, since it is larger than the sum of its proper divisors (1964359).

42843641 is a wasteful number, since it uses less digits than its factorization.

42843641 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 4255.

The product of its digits is 18432, while the sum is 32.

The square root of 42843641 is about 6545.5054044741. The cubic root of 42843641 is about 349.9146485755.

The spelling of 42843641 in words is "forty-two million, eight hundred forty-three thousand, six hundred forty-one".