438251214 has 16 divisors (see below), whose sum is σ = 897881040. Its totient is φ = 142520640.

The previous prime is 438251189. The next prime is 438251243. The reversal of 438251214 is 412152834.

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 890509 + ... + 891000.

It is an arithmetic number, because the mean of its divisors is an integer number (56117565).

Almost surely, 2^438251214 is an apocalyptic number.

438251214 is an abundant number, since it is smaller than the sum of its proper divisors (459629826).

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

438251214 is a wasteful number, since it uses less digits than its factorization.

438251214 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1781555.

The product of its digits is 7680, while the sum is 30.

The square root of 438251214 is about 20934.4504107464. The cubic root of 438251214 is about 759.5814951175.

The spelling of 438251214 in words is "four hundred thirty-eight million, two hundred fifty-one thousand, two hundred fourteen".