42938235 has 32 divisors (see below), whose sum is σ = 77398080. Its totient is φ = 22581504.

The previous prime is 42938227. The next prime is 42938237. The reversal of 42938235 is 53283924.

It is not a de Polignac number, because 42938235 - 2³ = 42938227 is a prime.

It is a self number, because there is not a number n which added to its sum of digits gives 42938235.

It is not an unprimeable number, because it can be changed into a prime (42938237) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 7677 + ... + 12033.

It is an arithmetic number, because the mean of its divisors is an integer number (2418690).

Almost surely, 2^42938235 is an apocalyptic number.

42938235 is a gapful number since it is divisible by the number (45) formed by its first and last digit.

42938235 is a deficient number, since it is larger than the sum of its proper divisors (34459845).

42938235 is a wasteful number, since it uses less digits than its factorization.

42938235 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 4444 (or 4438 counting only the distinct ones).

The product of its digits is 51840, while the sum is 36.

The square root of 42938235 is about 6552.7272947987. The cubic root of 42938235 is about 350.1719835039.

The spelling of 42938235 in words is "forty-two million, nine hundred thirty-eight thousand, two hundred thirty-five".