438274282 has 8 divisors (see below), whose sum is σ = 657506016. Its totient is φ = 219105612.

The previous prime is 438274271. The next prime is 438274283. The reversal of 438274282 is 282472834.

It is a happy number.

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

It is not an unprimeable number, because it can be changed into a prime (438274283) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 10093 + ... + 31279.

It is an arithmetic number, because the mean of its divisors is an integer number (82188252).

Almost surely, 2^438274282 is an apocalyptic number.

438274282 is a deficient number, since it is larger than the sum of its proper divisors (219231734).

438274282 is a wasteful number, since it uses less digits than its factorization.

438274282 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 31532.

The product of its digits is 172032, while the sum is 40.

The square root of 438274282 is about 20935.0013613565. The cubic root of 438274282 is about 759.5948221150.

The spelling of 438274282 in words is "four hundred thirty-eight million, two hundred seventy-four thousand, two hundred eighty-two".