42356198 has 8 divisors (see below), whose sum is σ = 65084040. Its totient is φ = 20661520.

The previous prime is 42356189. The next prime is 42356203. The reversal of 42356198 is 89165324.

It is a happy number.

42356198 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 congruent number.

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, 258188 + ... + 258351.

It is an arithmetic number, because the mean of its divisors is an integer number (8135505).

Almost surely, 2^42356198 is an apocalyptic number.

42356198 is a deficient number, since it is larger than the sum of its proper divisors (22727842).

42356198 is a wasteful number, since it uses less digits than its factorization.

42356198 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 516582.

The product of its digits is 51840, while the sum is 38.

The square root of 42356198 is about 6508.1639499939. The cubic root of 42356198 is about 348.5825612478.

The spelling of 42356198 in words is "forty-two million, three hundred fifty-six thousand, one hundred ninety-eight".