42976856 has 32 divisors (see below), whose sum is σ = 88905600. Its totient is φ = 19349760.

The previous prime is 42976837. The next prime is 42976859. The reversal of 42976856 is 65867924.

42976856 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 42976856.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (42976859) 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, 776 + ... + 9303.

It is an arithmetic number, because the mean of its divisors is an integer number (2778300).

Almost surely, 2^42976856 is an apocalyptic number.

It is an amenable number.

42976856 is an abundant number, since it is smaller than the sum of its proper divisors (45928744).

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

42976856 is a wasteful number, since it uses less digits than its factorization.

42976856 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 10139 (or 10135 counting only the distinct ones).

The product of its digits is 725760, while the sum is 47.

The square root of 42976856 is about 6555.6735733256. The cubic root of 42976856 is about 350.2769399951.

The spelling of 42976856 in words is "forty-two million, nine hundred seventy-six thousand, eight hundred fifty-six".