42653238 has 16 divisors (see below), whose sum is σ = 90324720. Its totient is φ = 13381376.

The previous prime is 42653231. The next prime is 42653239. The reversal of 42653238 is 83235624.

It is a happy number.

42653238 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a junction number, because it is equal to n+sod(n) for n = 42653199 and 42653208.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (42653231) 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 7 ways as a sum of consecutive naturals, for example, 208983 + ... + 209186.

It is an arithmetic number, because the mean of its divisors is an integer number (5645295).

Almost surely, 2^42653238 is an apocalyptic number.

42653238 is an abundant number, since it is smaller than the sum of its proper divisors (47671482).

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

42653238 is a wasteful number, since it uses less digits than its factorization.

42653238 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 418191.

The product of its digits is 34560, while the sum is 33.

The square root of 42653238 is about 6530.9446483644. The cubic root of 42653238 is about 349.3955226076.

It can be divided in two parts, 4265 and 3238, that added together give a triangular number (7503 = T₁₂₂).

The spelling of 42653238 in words is "forty-two million, six hundred fifty-three thousand, two hundred thirty-eight".