438318282 has 8 divisors (see below), whose sum is σ = 876636576. Its totient is φ = 146106092.

The previous prime is 438318281. The next prime is 438318289. The reversal of 438318282 is 282813834.

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

438318282 is an admirable number.

It is a self number, because there is not a number n which added to its sum of digits gives 438318282.

It is not an unprimeable number, because it can be changed into a prime (438318281) by changing a digit.

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 3 ways as a sum of consecutive naturals, for example, 36526518 + ... + 36526529.

It is an arithmetic number, because the mean of its divisors is an integer number (109579572).

Almost surely, 2^438318282 is an apocalyptic number.

438318282 is a primitive abundant number, since it is smaller than the sum of its proper divisors, none of which is abundant.

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

438318282 is a wasteful number, since it uses less digits than its factorization.

438318282 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 73053052.

The product of its digits is 73728, while the sum is 39.

The square root of 438318282 is about 20936.0522066602. The cubic root of 438318282 is about 759.6202407894.

The spelling of 438318282 in words is "four hundred thirty-eight million, three hundred eighteen thousand, two hundred eighty-two".