42435238 has 8 divisors (see below), whose sum is σ = 65133288. Its totient is φ = 20724144.

The previous prime is 42435233. The next prime is 42435241. The reversal of 42435238 is 83253424.

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

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (42435233) 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, 246631 + ... + 246802.

It is an arithmetic number, because the mean of its divisors is an integer number (8141661).

Almost surely, 2^42435238 is an apocalyptic number.

42435238 is a deficient number, since it is larger than the sum of its proper divisors (22698050).

42435238 is a wasteful number, since it uses less digits than its factorization.

42435238 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 493478.

The product of its digits is 23040, while the sum is 31.

The square root of 42435238 is about 6514.2334928985. The cubic root of 42435238 is about 348.7992540157.

The spelling of 42435238 in words is "forty-two million, four hundred thirty-five thousand, two hundred thirty-eight".