438112705 has 8 divisors (see below), whose sum is σ = 526129704. Its totient is φ = 350227200.

The previous prime is 438112699. The next prime is 438112721. The reversal of 438112705 is 507211834.

It can be written as a sum of positive squares in 4 ways, for example, as 31404816 + 406707889 = 5604^2 + 20167^2 .

It is a sphenic number, since it is the product of 3 distinct primes.

It is not a de Polignac number, because 438112705 - 2¹¹ = 438110657 is a prime.

It is a Duffinian number.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 25386 + ... + 38995.

It is an arithmetic number, because the mean of its divisors is an integer number (65766213).

Almost surely, 2^438112705 is an apocalyptic number.

It is an amenable number.

438112705 is a deficient number, since it is larger than the sum of its proper divisors (88016999).

438112705 is a wasteful number, since it uses less digits than its factorization.

438112705 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 65747.

The product of its (nonzero) digits is 6720, while the sum is 31.

The square root of 438112705 is about 20931.1419898676. The cubic root of 438112705 is about 759.5014649464.

The spelling of 438112705 in words is "four hundred thirty-eight million, one hundred twelve thousand, seven hundred five".