42338517 has 32 divisors (see below), whose sum is σ = 67777920. Its totient is φ = 23224320.

The previous prime is 42338503. The next prime is 42338533. The reversal of 42338517 is 71583324.

It is not a de Polignac number, because 42338517 - 2⁷ = 42338389 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (42338537) by changing a digit.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 10917 + ... + 14277.

It is an arithmetic number, because the mean of its divisors is an integer number (2118060).

Almost surely, 2^42338517 is an apocalyptic number.

It is an amenable number.

42338517 is a deficient number, since it is larger than the sum of its proper divisors (25439403).

42338517 is a wasteful number, since it uses less digits than its factorization.

42338517 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 3413.

The product of its digits is 20160, while the sum is 33.

The square root of 42338517 is about 6506.8054373863. The cubic root of 42338517 is about 348.5340508657.

The spelling of 42338517 in words is "forty-two million, three hundred thirty-eight thousand, five hundred seventeen".