42847436 has 24 divisors (see below), whose sum is σ = 80070144. Its totient is φ = 20013840.

The previous prime is 42847421. The next prime is 42847439. The reversal of 42847436 is 63474824.

42847436 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a self number, because there is not a number n which added to its sum of digits gives 42847436.

It is not an unprimeable number, because it can be changed into a prime (42847439) 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 7 ways as a sum of consecutive naturals, for example, 1460 + ... + 9371.

It is an arithmetic number, because the mean of its divisors is an integer number (3336256).

Almost surely, 2^42847436 is an apocalyptic number.

42847436 is a gapful number since it is divisible by the number (46) formed by its first and last digit.

It is an amenable number.

42847436 is a deficient number, since it is larger than the sum of its proper divisors (37222708).

42847436 is a wasteful number, since it uses less digits than its factorization.

42847436 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 10901 (or 10899 counting only the distinct ones).

The product of its digits is 129024, while the sum is 38.

The square root of 42847436 is about 6545.7952916357. The cubic root of 42847436 is about 349.9249798394.

The spelling of 42847436 in words is "forty-two million, eight hundred forty-seven thousand, four hundred thirty-six".