42048939 has 8 divisors (see below), whose sum is σ = 59363280. Its totient is φ = 26383616.

The previous prime is 42048931. The next prime is 42048961. The reversal of 42048939 is 93984024.

42048939 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

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

It is a cyclic number.

It is not a de Polignac number, because 42048939 - 2³ = 42048931 is a prime.

It is a super-2 number, since 2×42048939² = 3536226542051442, which contains 22 as substring.

It is a junction number, because it is equal to n+sod(n) for n = 42048897 and 42048906.

It is not an unprimeable number, because it can be changed into a prime (42048931) 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, 412194 + ... + 412295.

It is an arithmetic number, because the mean of its divisors is an integer number (7420410).

Almost surely, 2^42048939 is an apocalyptic number.

42048939 is a deficient number, since it is larger than the sum of its proper divisors (17314341).

42048939 is a wasteful number, since it uses less digits than its factorization.

42048939 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 824509.

The product of its (nonzero) digits is 62208, while the sum is 39.

The square root of 42048939 is about 6484.5153249877. The cubic root of 42048939 is about 347.7376226140.

The spelling of 42048939 in words is "forty-two million, forty-eight thousand, nine hundred thirty-nine".