42858959 has 32 divisors (see below), whose sum is σ = 53512704. Its totient is φ = 33770880.

The previous prime is 42858947. The next prime is 42858961. The reversal of 42858959 is 95985824.

It is not a de Polignac number, because 42858959 - 2⁸ = 42858703 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 (42858919) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 272909 + ... + 273065.

It is an arithmetic number, because the mean of its divisors is an integer number (1672272).

Almost surely, 2^42858959 is an apocalyptic number.

42858959 is a deficient number, since it is larger than the sum of its proper divisors (10653745).

42858959 is a wasteful number, since it uses less digits than its factorization.

42858959 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 287.

The product of its digits is 1036800, while the sum is 50.

The square root of 42858959 is about 6546.6754158122. The cubic root of 42858959 is about 349.9563455758.

The spelling of 42858959 in words is "forty-two million, eight hundred fifty-eight thousand, nine hundred fifty-nine".