42395871 has 8 divisors (see below), whose sum is σ = 64603264. Its totient is φ = 24226200.

The previous prime is 42395869. The next prime is 42395891. The reversal of 42395871 is 17859324.

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

It is not a de Polignac number, because 42395871 - 2¹ = 42395869 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 (42395891) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 1009405 + ... + 1009446.

It is an arithmetic number, because the mean of its divisors is an integer number (8075408).

Almost surely, 2^42395871 is an apocalyptic number.

42395871 is a deficient number, since it is larger than the sum of its proper divisors (22207393).

42395871 is a wasteful number, since it uses less digits than its factorization.

42395871 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2018861.

The product of its digits is 60480, while the sum is 39.

The square root of 42395871 is about 6511.2111776535. The cubic root of 42395871 is about 348.6913607553.

The spelling of 42395871 in words is "forty-two million, three hundred ninety-five thousand, eight hundred seventy-one".