42003238 has 16 divisors (see below), whose sum is σ = 64206144. Its totient is φ = 20603880.

The previous prime is 42003211. The next prime is 42003239. The reversal of 42003238 is 83230024.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (42003239) 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 7 ways as a sum of consecutive naturals, for example, 43881 + ... + 44827.

It is an arithmetic number, because the mean of its divisors is an integer number (4012884).

Almost surely, 2^42003238 is an apocalyptic number.

42003238 is a deficient number, since it is larger than the sum of its proper divisors (22202906).

42003238 is a wasteful number, since it uses less digits than its factorization.

42003238 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1347.

The product of its (nonzero) digits is 1152, while the sum is 22.

The square root of 42003238 is about 6480.9905107167. The cubic root of 42003238 is about 347.6115970958.

The spelling of 42003238 in words is "forty-two million, three thousand, two hundred thirty-eight".