438810134 has 16 divisors (see below), whose sum is σ = 752522400. Its totient is φ = 187992384.

The previous prime is 438810131. The next prime is 438810157. The reversal of 438810134 is 431018834.

It is a self number, because there is not a number n which added to its sum of digits gives 438810134.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (438810131) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 58172 + ... + 65280.

It is an arithmetic number, because the mean of its divisors is an integer number (47032650).

Almost surely, 2^438810134 is an apocalyptic number.

438810134 is a deficient number, since it is larger than the sum of its proper divisors (313712266).

438810134 is a wasteful number, since it uses less digits than its factorization.

438810134 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 11527.

The product of its (nonzero) digits is 9216, while the sum is 32.

The square root of 438810134 is about 20947.7954448672. The cubic root of 438810134 is about 759.9042665656.

Adding to 438810134 its reverse (431018834), we get a palindrome (869828968).

The spelling of 438810134 in words is "four hundred thirty-eight million, eight hundred ten thousand, one hundred thirty-four".