438866214 has 32 divisors (see below), whose sum is σ = 912594816. Its totient is φ = 140585280.

The previous prime is 438866201. The next prime is 438866257. The reversal of 438866214 is 412668834.

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 15 ways as a sum of consecutive naturals, for example, 3169 + ... + 29795.

It is an arithmetic number, because the mean of its divisors is an integer number (28518588).

Almost surely, 2^438866214 is an apocalyptic number.

438866214 is an abundant number, since it is smaller than the sum of its proper divisors (473728602).

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

438866214 is a wasteful number, since it uses less digits than its factorization.

438866214 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 26740.

The product of its digits is 221184, while the sum is 42.

The square root of 438866214 is about 20949.1339677801. The cubic root of 438866214 is about 759.9366371459.

The spelling of 438866214 in words is "four hundred thirty-eight million, eight hundred sixty-six thousand, two hundred fourteen".