42789416 has 32 divisors (see below), whose sum is σ = 82367040. Its totient is φ = 20832768.

The previous prime is 42789403. The next prime is 42789419. The reversal of 42789416 is 61498724.

It is not an unprimeable number, because it can be changed into a prime (42789419) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 51581 + ... + 52403.

It is an arithmetic number, because the mean of its divisors is an integer number (2573970).

Almost surely, 2^42789416 is an apocalyptic number.

It is an amenable number.

42789416 is a deficient number, since it is larger than the sum of its proper divisors (39577624).

42789416 is a wasteful number, since it uses less digits than its factorization.

42789416 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 993 (or 989 counting only the distinct ones).

The product of its digits is 96768, while the sum is 41.

The square root of 42789416 is about 6541.3619377007. The cubic root of 42789416 is about 349.7669632414.

The spelling of 42789416 in words is "forty-two million, seven hundred eighty-nine thousand, four hundred sixteen".