42395783 has 4 divisors (see below), whose sum is σ = 44627160. Its totient is φ = 40164408.

The previous prime is 42395753. The next prime is 42395797. The reversal of 42395783 is 38759324.

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

It is a cyclic number.

It is not a de Polignac number, because 42395783 - 2⁶ = 42395719 is a prime.

It is a Duffinian number.

It is a self number, because there is not a number n which added to its sum of digits gives 42395783.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (42395723) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 1115660 + ... + 1115697.

It is an arithmetic number, because the mean of its divisors is an integer number (11156790).

Almost surely, 2^42395783 is an apocalyptic number.

42395783 is a deficient number, since it is larger than the sum of its proper divisors (2231377).

42395783 is a wasteful number, since it uses less digits than its factorization.

42395783 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2231376.

The product of its digits is 181440, while the sum is 41.

The square root of 42395783 is about 6511.2044200747. The cubic root of 42395783 is about 348.6911194987.

The spelling of 42395783 in words is "forty-two million, three hundred ninety-five thousand, seven hundred eighty-three".