42338647 has 8 divisors (see below), whose sum is σ = 45679760. Its totient is φ = 39009600.

The previous prime is 42338641. The next prime is 42338683. The reversal of 42338647 is 74683324.

It is a happy number.

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 42338647 - 2¹¹ = 42336599 is a prime.

It is a super-2 number, since 2×42338647² = 3585122059581218, which contains 22 as substring.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (42338641) 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, 5104 + ... + 10522.

It is an arithmetic number, because the mean of its divisors is an integer number (5709970).

Almost surely, 2^42338647 is an apocalyptic number.

42338647 is a deficient number, since it is larger than the sum of its proper divisors (3341113).

42338647 is a wasteful number, since it uses less digits than its factorization.

42338647 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 6033.

The product of its digits is 96768, while the sum is 37.

The square root of 42338647 is about 6506.8154269197. The cubic root of 42338647 is about 348.5344075887.

It can be divided in two parts, 4233 and 8647, that added together give a triangular number (12880 = T₁₆₀).

The spelling of 42338647 in words is "forty-two million, three hundred thirty-eight thousand, six hundred forty-seven".