438745854 has 8 divisors (see below), whose sum is σ = 877491720. Its totient is φ = 146248616.

The previous prime is 438745837. The next prime is 438745873. The reversal of 438745854 is 458547834.

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

438745854 is an admirable number.

It is an alternating number because its digits alternate between even and odd.

It is a Curzon number.

It is a congruent 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, 36562149 + ... + 36562160.

It is an arithmetic number, because the mean of its divisors is an integer number (109686465).

Almost surely, 2^438745854 is an apocalyptic number.

438745854 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.

438745854 is a wasteful number, since it uses less digits than its factorization.

438745854 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 73124314.

The product of its digits is 2150400, while the sum is 48.

The square root of 438745854 is about 20946.2610983440. The cubic root of 438745854 is about 759.8671593767.

The spelling of 438745854 in words is "four hundred thirty-eight million, seven hundred forty-five thousand, eight hundred fifty-four".