42397258 has 8 divisors (see below), whose sum is σ = 63623520. Its totient is φ = 21189420.

The previous prime is 42397241. The next prime is 42397279. The reversal of 42397258 is 85279324.

42397258 is nontrivially palindromic in base 4.

42397258 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

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

It is a self number, because there is not a number n which added to its sum of digits gives 42397258.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 6693 + ... + 11383.

It is an arithmetic number, because the mean of its divisors is an integer number (7952940).

Almost surely, 2^42397258 is an apocalyptic number.

42397258 is a deficient number, since it is larger than the sum of its proper divisors (21226262).

42397258 is a wasteful number, since it uses less digits than its factorization.

42397258 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 9212.

The product of its digits is 120960, while the sum is 40.

The square root of 42397258 is about 6511.3176853844. The cubic root of 42397258 is about 348.6951632455.

The spelling of 42397258 in words is "forty-two million, three hundred ninety-seven thousand, two hundred fifty-eight".