438608047 has 4 divisors (see below), whose sum is σ = 438980616. Its totient is φ = 438235480.

The previous prime is 438608033. The next prime is 438608059. The reversal of 438608047 is 740806834.

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

It is a cyclic number.

It is not a de Polignac number, because 438608047 - 2¹⁵ = 438575279 is a prime.

It is a Smith number, since the sum of its digits (40) coincides with the sum of the digits of its prime factors. Since it is squarefree, it is also a hoax number.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (438608077) 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 3 ways as a sum of consecutive naturals, for example, 184513 + ... + 186874.

It is an arithmetic number, because the mean of its divisors is an integer number (109745154).

Almost surely, 2^438608047 is an apocalyptic number.

438608047 is a deficient number, since it is larger than the sum of its proper divisors (372569).

438608047 is a wasteful number, since it uses less digits than its factorization.

438608047 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 372568.

The product of its (nonzero) digits is 129024, while the sum is 40.

The square root of 438608047 is about 20942.9713030410. The cubic root of 438608047 is about 759.7875947282.

The spelling of 438608047 in words is "four hundred thirty-eight million, six hundred eight thousand, forty-seven".