438379775 has 12 divisors (see below), whose sum is σ = 545872800. Its totient is φ = 349231680.

The previous prime is 438379741. The next prime is 438379787. The reversal of 438379775 is 577973834.

It is not a de Polignac number, because 438379775 - 2⁸ = 438379519 is a prime.

It is a plaindrome in base 6 and base 9.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 30710 + ... + 42659.

It is an arithmetic number, because the mean of its divisors is an integer number (45489400).

Almost surely, 2^438379775 is an apocalyptic number.

438379775 is a deficient number, since it is larger than the sum of its proper divisors (107493025).

438379775 is a wasteful number, since it uses less digits than its factorization.

438379775 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 73618 (or 73613 counting only the distinct ones).

The product of its digits is 4445280, while the sum is 53.

The square root of 438379775 is about 20937.5207462584. The cubic root of 438379775 is about 759.6557622701.

The spelling of 438379775 in words is "four hundred thirty-eight million, three hundred seventy-nine thousand, seven hundred seventy-five".