42789828 has 12 divisors (see below), whose sum is σ = 99842960. Its totient is φ = 14263272.

The previous prime is 42789793. The next prime is 42789829. The reversal of 42789828 is 82898724.

42789828 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a tau number, because it is divible by the number of its divisors (12).

It is not an unprimeable number, because it can be changed into a prime (42789829) 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 3 ways as a sum of consecutive naturals, for example, 1782898 + ... + 1782921.

Almost surely, 2^42789828 is an apocalyptic number.

It is an amenable number.

42789828 is an abundant number, since it is smaller than the sum of its proper divisors (57053132).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

42789828 is a wasteful number, since it uses less digits than its factorization.

42789828 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 3565826 (or 3565824 counting only the distinct ones).

The product of its digits is 516096, while the sum is 48.

The square root of 42789828 is about 6541.3934295378. The cubic root of 42789828 is about 349.7680858206.

The spelling of 42789828 in words is "forty-two million, seven hundred eighty-nine thousand, eight hundred twenty-eight".