42288339 has 8 divisors (see below), whose sum is σ = 56442880. Its totient is φ = 28163016.

The previous prime is 42288331. The next prime is 42288349. The reversal of 42288339 is 93388224.

It is a sphenic number, since it is the product of 3 distinct primes.

It is not a de Polignac number, because 42288339 - 2³ = 42288331 is a prime.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 42288297 and 42288306.

It is not an unprimeable number, because it can be changed into a prime (42288331) 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, 3667 + ... + 9900.

It is an arithmetic number, because the mean of its divisors is an integer number (7055360).

Almost surely, 2^42288339 is an apocalyptic number.

42288339 is a deficient number, since it is larger than the sum of its proper divisors (14154541).

42288339 is a wasteful number, since it uses less digits than its factorization.

42288339 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 14609.

The product of its digits is 82944, while the sum is 39.

The square root of 42288339 is about 6502.9484851104. The cubic root of 42288339 is about 348.3963066681.

The spelling of 42288339 in words is "forty-two million, two hundred eighty-eight thousand, three hundred thirty-nine".