42286843 has 4 divisors (see below), whose sum is σ = 43745040. Its totient is φ = 40828648.

The previous prime is 42286823. The next prime is 42286873. The reversal of 42286843 is 34868224.

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 42286843 - 2⁹ = 42286331 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (42286813) 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, 729055 + ... + 729112.

It is an arithmetic number, because the mean of its divisors is an integer number (10936260).

Almost surely, 2^42286843 is an apocalyptic number.

42286843 is a deficient number, since it is larger than the sum of its proper divisors (1458197).

42286843 is a wasteful number, since it uses less digits than its factorization.

42286843 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1458196.

The product of its digits is 73728, while the sum is 37.

The square root of 42286843 is about 6502.8334593468. The cubic root of 42286843 is about 348.3921983092.

The spelling of 42286843 in words is "forty-two million, two hundred eighty-six thousand, eight hundred forty-three".