42886943 has 8 divisors (see below), whose sum is σ = 47927376. Its totient is φ = 38036800.

The previous prime is 42886859. The next prime is 42886951. The reversal of 42886943 is 34968824.

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 42886943 - 2¹⁶ = 42821407 is a prime.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 42886894 and 42886903.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (42886993) 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, 47096 + ... + 47997.

It is an arithmetic number, because the mean of its divisors is an integer number (5990922).

Almost surely, 2^42886943 is an apocalyptic number.

42886943 is a deficient number, since it is larger than the sum of its proper divisors (5040433).

42886943 is a wasteful number, since it uses less digits than its factorization.

42886943 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 95145.

The product of its digits is 331776, while the sum is 44.

The square root of 42886943 is about 6548.8123350727. The cubic root of 42886943 is about 350.0324949422.

The spelling of 42886943 in words is "forty-two million, eight hundred eighty-six thousand, nine hundred forty-three".