42038936 has 16 divisors (see below), whose sum is σ = 78891840. Its totient is φ = 21001120.

The previous prime is 42038933. The next prime is 42038947. The reversal of 42038936 is 63983024.

It is a happy number.

It is a junction number, because it is equal to n+sod(n) for n = 42038896 and 42038905.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (42038933) 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 3 ways as a sum of consecutive naturals, for example, 16466 + ... + 18846.

It is an arithmetic number, because the mean of its divisors is an integer number (4930740).

Almost surely, 2^42038936 is an apocalyptic number.

It is an amenable number.

42038936 is a deficient number, since it is larger than the sum of its proper divisors (36852904).

42038936 is a wasteful number, since it uses less digits than its factorization.

42038936 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 4594 (or 4590 counting only the distinct ones).

The product of its (nonzero) digits is 31104, while the sum is 35.

The square root of 42038936 is about 6483.7439801399. The cubic root of 42038936 is about 347.7100460537.

The spelling of 42038936 in words is "forty-two million, thirty-eight thousand, nine hundred thirty-six".