42236838 has 24 divisors (see below), whose sum is σ = 104586768. Its totient is φ = 12067632.

The previous prime is 42236837. The next prime is 42236839. The reversal of 42236838 is 83863224.

42236838 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is an interprime number because it is at equal distance from previous prime (42236837) and next prime (42236839).

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (42236833) by changing a digit.

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 11 ways as a sum of consecutive naturals, for example, 167481 + ... + 167732.

It is an arithmetic number, because the mean of its divisors is an integer number (4357782).

Almost surely, 2^42236838 is an apocalyptic number.

42236838 is an abundant number, since it is smaller than the sum of its proper divisors (62349930).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

42236838 is a wasteful number, since it uses less digits than its factorization.

42236838 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 335228 (or 335225 counting only the distinct ones).

The product of its digits is 55296, while the sum is 36.

The square root of 42236838 is about 6498.9874595971. The cubic root of 42236838 is about 348.2548173322.

The spelling of 42236838 in words is "forty-two million, two hundred thirty-six thousand, eight hundred thirty-eight".