438329466 has 12 divisors (see below), whose sum is σ = 949713882. Its totient is φ = 146109816.

The previous prime is 438329453. The next prime is 438329471. The reversal of 438329466 is 664923834.

It can be written as a sum of positive squares in only one way, i.e., 296838441 + 141491025 = 17229^2 + 11895^2 .

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 5 ways as a sum of consecutive naturals, for example, 12175801 + ... + 12175836.

Almost surely, 2^438329466 is an apocalyptic number.

438329466 is an abundant number, since it is smaller than the sum of its proper divisors (511384416).

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

438329466 is a wasteful number, since it uses less digits than its factorization.

438329466 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 24351645 (or 24351642 counting only the distinct ones).

The product of its digits is 746496, while the sum is 45.

The square root of 438329466 is about 20936.3193040229. The cubic root of 438329466 is about 759.6267014831.

The spelling of 438329466 in words is "four hundred thirty-eight million, three hundred twenty-nine thousand, four hundred sixty-six".