8345005438 has 64 divisors (see below), whose sum is σ = 16049166336. Its totient is φ = 3159648000.

The previous prime is 8345005433. The next prime is 8345005451.

8345005438 is nontrivially palindromic in base 10.

It is a self number, because there is not a number n which added to its sum of digits gives 8345005438.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (8345005433) 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, 1708656 + ... + 1713532.

It is an arithmetic number, because the mean of its divisors is an integer number (250768224).

Almost surely, 2^8345005438 is an apocalyptic number.

8345005438 is a deficient number, since it is larger than the sum of its proper divisors (7704160898).

8345005438 is a wasteful number, since it uses less digits than its factorization.

8345005438 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 5209.

The product of its (nonzero) digits is 230400, while the sum is 40.

The square root of 8345005438 is about 91351.0012971943. The cubic root of 8345005438 is about 2028.3467849108.

It can be divided in two parts, 834500 and 5438, that added together give a palindrome (839938).

The spelling of 8345005438 in words is "eight billion, three hundred forty-five million, five thousand, four hundred thirty-eight".