42889205 has 8 divisors (see below), whose sum is σ = 51514272. Its totient is φ = 34279888.

The previous prime is 42889177. The next prime is 42889207. The reversal of 42889205 is 50298824.

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

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-42889205 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (42889207) 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, 3254 + ... + 9816.

It is an arithmetic number, because the mean of its divisors is an integer number (6439284).

Almost surely, 2^42889205 is an apocalyptic number.

It is an amenable number.

42889205 is a deficient number, since it is larger than the sum of its proper divisors (8625067).

42889205 is a wasteful number, since it uses less digits than its factorization.

42889205 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 7875.

The product of its (nonzero) digits is 46080, while the sum is 38.

The square root of 42889205 is about 6548.9850358662. The cubic root of 42889205 is about 350.0386487933.

The spelling of 42889205 in words is "forty-two million, eight hundred eighty-nine thousand, two hundred five".