42395983 has 4 divisors (see below), whose sum is σ = 48452560. Its totient is φ = 36339408.

The previous prime is 42395959. The next prime is 42395989. The reversal of 42395983 is 38959324.

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

It is a de Polignac number, because none of the positive numbers 2^k-42395983 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (42395989) 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, 3028278 + ... + 3028291.

It is an arithmetic number, because the mean of its divisors is an integer number (12113140).

Almost surely, 2^42395983 is an apocalyptic number.

42395983 is a deficient number, since it is larger than the sum of its proper divisors (6056577).

42395983 is an equidigital number, since it uses as much as digits as its factorization.

42395983 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 6056576.

The product of its digits is 233280, while the sum is 43.

The square root of 42395983 is about 6511.2197781982. The cubic root of 42395983 is about 348.6916678088.

The spelling of 42395983 in words is "forty-two million, three hundred ninety-five thousand, nine hundred eighty-three".