42417859 has 8 divisors (see below), whose sum is σ = 46337328. Its totient is φ = 38508960.

The previous prime is 42417857. The next prime is 42417871. The reversal of 42417859 is 95871424.

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 42417859 - 2¹ = 42417857 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (42417857) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 7449 + ... + 11845.

It is an arithmetic number, because the mean of its divisors is an integer number (5792166).

Almost surely, 2^42417859 is an apocalyptic number.

42417859 is a deficient number, since it is larger than the sum of its proper divisors (3919469).

42417859 is a wasteful number, since it uses less digits than its factorization.

42417859 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 5285.

The product of its digits is 80640, while the sum is 40.

The square root of 42417859 is about 6512.8994311290. The cubic root of 42417859 is about 348.7516315661.

It can be divided in two parts, 4241 and 7859, that added together give a square (12100 = 110²).

The spelling of 42417859 in words is "forty-two million, four hundred seventeen thousand, eight hundred fifty-nine".