438348452 has 18 divisors (see below), whose sum is σ = 771275778. Its totient is φ = 217987072.

The previous prime is 438348439. The next prime is 438348473. The reversal of 438348452 is 254843834.

It can be written as a sum of positive squares in 3 ways, for example, as 79852096 + 358496356 = 8936^2 + 18934^2 .

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 5 ways as a sum of consecutive naturals, for example, 670958 + ... + 671610.

Almost surely, 2^438348452 is an apocalyptic number.

It is an amenable number.

438348452 is a deficient number, since it is larger than the sum of its proper divisors (332927326).

438348452 is an equidigital number, since it uses as much as digits as its factorization.

438348452 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1567 (or 912 counting only the distinct ones).

The product of its digits is 368640, while the sum is 41.

The square root of 438348452 is about 20936.7727216971. The cubic root of 438348452 is about 759.6376689292.

The spelling of 438348452 in words is "four hundred thirty-eight million, three hundred forty-eight thousand, four hundred fifty-two".