438804049 has 4 divisors (see below), whose sum is σ = 445997620. Its totient is φ = 431610480.

The previous prime is 438804011. The next prime is 438804071. The reversal of 438804049 is 940408834.

It is a semiprime because it is the product of two primes.

It can be written as a sum of positive squares in 2 ways, for example, as 3873024 + 434931025 = 1968^2 + 20855^2 .

It is a cyclic number.

It is not a de Polignac number, because 438804049 - 2⁷ = 438803921 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (438804089) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 3596694 + ... + 3596815.

It is an arithmetic number, because the mean of its divisors is an integer number (111499405).

Almost surely, 2^438804049 is an apocalyptic number.

It is an amenable number.

438804049 is a deficient number, since it is larger than the sum of its proper divisors (7193571).

438804049 is an equidigital number, since it uses as much as digits as its factorization.

438804049 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 7193570.

The product of its (nonzero) digits is 110592, while the sum is 40.

The square root of 438804049 is about 20947.6502023497. The cubic root of 438804049 is about 759.9007540071.

The spelling of 438804049 in words is "four hundred thirty-eight million, eight hundred four thousand, forty-nine".