42384005 has 4 divisors (see below), whose sum is σ = 50860812. Its totient is φ = 33907200.

The previous prime is 42383987. The next prime is 42384031. The reversal of 42384005 is 50048324.

It is a semiprime because it is the product of two primes.

It can be written as a sum of positive squares in 2 ways, for example, as 25989604 + 16394401 = 5098^2 + 4049^2 .

It is not a de Polignac number, because 42384005 - 2¹⁰ = 42382981 is a prime.

It is a Duffinian number.

It is a Curzon number.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 4238396 + ... + 4238405.

It is an arithmetic number, because the mean of its divisors is an integer number (12715203).

Almost surely, 2^42384005 is an apocalyptic number.

It is an amenable number.

42384005 is a deficient number, since it is larger than the sum of its proper divisors (8476807).

42384005 is an equidigital number, since it uses as much as digits as its factorization.

42384005 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 8476806.

The product of its (nonzero) digits is 3840, while the sum is 26.

The square root of 42384005 is about 6510.2999162865. The cubic root of 42384005 is about 348.6588264726.

The spelling of 42384005 in words is "forty-two million, three hundred eighty-four thousand, five".