42911926 has 4 divisors (see below), whose sum is σ = 64367892. Its totient is φ = 21455962.

The previous prime is 42911917. The next prime is 42911929. The reversal of 42911926 is 62911924.

42911926 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a semiprime because it is the product of two primes.

It is a junction number, because it is equal to n+sod(n) for n = 42911891 and 42911900.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (42911929) 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 as a sum of consecutive naturals, namely, 10727980 + ... + 10727983.

It is an arithmetic number, because the mean of its divisors is an integer number (16091973).

Almost surely, 2^42911926 is an apocalyptic number.

42911926 is a deficient number, since it is larger than the sum of its proper divisors (21455966).

42911926 is a wasteful number, since it uses less digits than its factorization.

42911926 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 21455965.

The product of its digits is 7776, while the sum is 34.

The square root of 42911926 is about 6550.7195024669. The cubic root of 42911926 is about 350.1004500796.

The spelling of 42911926 in words is "forty-two million, nine hundred eleven thousand, nine hundred twenty-six".