438684282 has 32 divisors (see below), whose sum is σ = 976383360. Its totient is φ = 145998720.

The previous prime is 438684251. The next prime is 438684283. The reversal of 438684282 is 282486834.

It is not an unprimeable number, because it can be changed into a prime (438684283) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 30307 + ... + 42377.

It is an arithmetic number, because the mean of its divisors is an integer number (30511980).

Almost surely, 2^438684282 is an apocalyptic number.

438684282 is an abundant number, since it is smaller than the sum of its proper divisors (537699078).

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

438684282 is a wasteful number, since it uses less digits than its factorization.

438684282 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 12755 (or 12749 counting only the distinct ones).

The product of its digits is 589824, while the sum is 45.

The square root of 438684282 is about 20944.7912856634. The cubic root of 438684282 is about 759.8316120478.

The spelling of 438684282 in words is "four hundred thirty-eight million, six hundred eighty-four thousand, two hundred eighty-two".