42808233 has 16 divisors (see below), whose sum is σ = 61721856. Its totient is φ = 26234880.

The previous prime is 42808229. The next prime is 42808277. The reversal of 42808233 is 33280824.

42808233 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is not a de Polignac number, because 42808233 - 2² = 42808229 is a prime.

It is a self number, because there is not a number n which added to its sum of digits gives 42808233.

It is not an unprimeable number, because it can be changed into a prime (42808033) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 7888 + ... + 12158.

It is an arithmetic number, because the mean of its divisors is an integer number (3857616).

Almost surely, 2^42808233 is an apocalyptic number.

It is an amenable number.

42808233 is a deficient number, since it is larger than the sum of its proper divisors (18913623).

42808233 is a wasteful number, since it uses less digits than its factorization.

42808233 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 4544.

The product of its (nonzero) digits is 9216, while the sum is 30.

The square root of 42808233 is about 6542.8000886471. The cubic root of 42808233 is about 349.8182267004.

The spelling of 42808233 in words is "forty-two million, eight hundred eight thousand, two hundred thirty-three".