438936798 has 16 divisors (see below), whose sum is σ = 888986880. Its totient is φ = 144460056.

The previous prime is 438936793. The next prime is 438936829. The reversal of 438936798 is 897639834.

It is a happy number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (438936793) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 462540 + ... + 463487.

It is an arithmetic number, because the mean of its divisors is an integer number (55561680).

Almost surely, 2^438936798 is an apocalyptic number.

438936798 is an abundant number, since it is smaller than the sum of its proper divisors (450050082).

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

438936798 is a wasteful number, since it uses less digits than its factorization.

438936798 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 926111.

The product of its digits is 7838208, while the sum is 57.

The square root of 438936798 is about 20950.8185520280. The cubic root of 438936798 is about 759.9773758270.

The spelling of 438936798 in words is "four hundred thirty-eight million, nine hundred thirty-six thousand, seven hundred ninety-eight".