438291114 has 8 divisors (see below), whose sum is σ = 876582240. Its totient is φ = 146097036.

The previous prime is 438291089. The next prime is 438291149. The reversal of 438291114 is 411192834.

It is a happy number.

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

438291114 is an admirable number.

It is a super-2 number, since 2×438291114² = 384198201222721992, which contains 22 as substring.

It is a Curzon number.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 36524254 + ... + 36524265.

It is an arithmetic number, because the mean of its divisors is an integer number (109572780).

Almost surely, 2^438291114 is an apocalyptic number.

438291114 is a primitive abundant number, since it is smaller than the sum of its proper divisors, none of which is abundant.

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

438291114 is a wasteful number, since it uses less digits than its factorization.

438291114 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 73048524.

The product of its digits is 6912, while the sum is 33.

The square root of 438291114 is about 20935.4033636804. The cubic root of 438291114 is about 759.6045461143.

The spelling of 438291114 in words is "four hundred thirty-eight million, two hundred ninety-one thousand, one hundred fourteen".