42858434 has 8 divisors (see below), whose sum is σ = 64332048. Its totient is φ = 21414420.

The previous prime is 42858427. The next prime is 42858437. The reversal of 42858434 is 43485824.

It is a sphenic number, since it is the product of 3 distinct primes.

It is not an unprimeable number, because it can be changed into a prime (42858437) 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, 3332 + ... + 9839.

It is an arithmetic number, because the mean of its divisors is an integer number (8041506).

Almost surely, 2^42858434 is an apocalyptic number.

42858434 is a deficient number, since it is larger than the sum of its proper divisors (21473614).

42858434 is a wasteful number, since it uses less digits than its factorization.

42858434 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 14800.

The product of its digits is 122880, while the sum is 38.

The square root of 42858434 is about 6546.6353190017. The cubic root of 42858434 is about 349.9549166421.

The spelling of 42858434 in words is "forty-two million, eight hundred fifty-eight thousand, four hundred thirty-four".