42856833 has 8 divisors (see below), whose sum is σ = 58111200. Its totient is φ = 28086848.

The previous prime is 42856829. The next prime is 42856859. The reversal of 42856833 is 33865824.

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 42856833 - 2² = 42856829 is a prime.

It is a junction number, because it is equal to n+sod(n) for n = 42856791 and 42856800.

It is not an unprimeable number, because it can be changed into a prime (42856823) 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, 120888 + ... + 121241.

It is an arithmetic number, because the mean of its divisors is an integer number (7263900).

Almost surely, 2^42856833 is an apocalyptic number.

It is an amenable number.

42856833 is a deficient number, since it is larger than the sum of its proper divisors (15254367).

42856833 is a wasteful number, since it uses less digits than its factorization.

42856833 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 242191.

The product of its digits is 138240, while the sum is 39.

The square root of 42856833 is about 6546.5130413068. The cubic root of 42856833 is about 349.9505590027.

The spelling of 42856833 in words is "forty-two million, eight hundred fifty-six thousand, eight hundred thirty-three".