42295943 has 4 divisors (see below), whose sum is σ = 42311808. Its totient is φ = 42280080.

The previous prime is 42295933. The next prime is 42295951. The reversal of 42295943 is 34959224.

It is a happy number.

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 42295943 - 2⁴ = 42295927 is a prime.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 42295897 and 42295906.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (42295933) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 2846 + ... + 9627.

It is an arithmetic number, because the mean of its divisors is an integer number (10577952).

Almost surely, 2^42295943 is an apocalyptic number.

42295943 is a deficient number, since it is larger than the sum of its proper divisors (15865).

42295943 is a wasteful number, since it uses less digits than its factorization.

42295943 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 15864.

The product of its digits is 77760, while the sum is 38.

The square root of 42295943 is about 6503.5331166990. The cubic root of 42295943 is about 348.4171874972.

The spelling of 42295943 in words is "forty-two million, two hundred ninety-five thousand, nine hundred forty-three".