438412340 has 24 divisors (see below), whose sum is σ = 921255720. Its totient is φ = 175252608.

The previous prime is 438412339. The next prime is 438412363. The reversal of 438412340 is 43214834.

It can be written as a sum of positive squares in 4 ways, for example, as 135582736 + 302829604 = 11644^2 + 17402^2 .

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 29654 + ... + 41906.

It is an arithmetic number, because the mean of its divisors is an integer number (38385655).

Almost surely, 2^438412340 is an apocalyptic number.

It is an amenable number.

438412340 is an abundant number, since it is smaller than the sum of its proper divisors (482843380).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

438412340 is a wasteful number, since it uses less digits than its factorization.

438412340 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 14051 (or 14049 counting only the distinct ones).

The product of its (nonzero) digits is 9216, while the sum is 29.

The square root of 438412340 is about 20938.2984026878. The cubic root of 438412340 is about 759.6745721231.

The spelling of 438412340 in words is "four hundred thirty-eight million, four hundred twelve thousand, three hundred forty".