42869833 has 12 divisors (see below), whose sum is σ = 45605700. Its totient is φ = 40290336.

The previous prime is 42869821. The next prime is 42869837. The reversal of 42869833 is 33896824.

It can be written as a sum of positive squares in 2 ways, for example, as 12089529 + 30780304 = 3477^2 + 5548^2 .

It is a de Polignac number, because none of the positive numbers 2^k-42869833 is a prime.

It is a self number, because there is not a number n which added to its sum of digits gives 42869833.

It is not an unprimeable number, because it can be changed into a prime (42869837) by changing a digit.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 53391 + ... + 54187.

It is an arithmetic number, because the mean of its divisors is an integer number (3800475).

Almost surely, 2^42869833 is an apocalyptic number.

It is an amenable number.

42869833 is a deficient number, since it is larger than the sum of its proper divisors (2735867).

42869833 is a wasteful number, since it uses less digits than its factorization.

42869833 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 984 (or 965 counting only the distinct ones).

The product of its digits is 248832, while the sum is 43.

The square root of 42869833 is about 6547.5058610130. The cubic root of 42869833 is about 349.9859395712.

The spelling of 42869833 in words is "forty-two million, eight hundred sixty-nine thousand, eight hundred thirty-three".