438854479 has 16 divisors (see below), whose sum is σ = 511557120. Its totient is φ = 368716320.

The previous prime is 438854453. The next prime is 438854491. The reversal of 438854479 is 974458834.

It is not a de Polignac number, because 438854479 - 2⁹ = 438853967 is a prime.

It is a super-2 number, since 2×438854479² = 385186507476722882, which contains 22 as substring.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (438854179) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 86497 + ... + 91429.

It is an arithmetic number, because the mean of its divisors is an integer number (31972320).

Almost surely, 2^438854479 is an apocalyptic number.

438854479 is a deficient number, since it is larger than the sum of its proper divisors (72702641).

438854479 is a wasteful number, since it uses less digits than its factorization.

438854479 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 5190.

The product of its digits is 3870720, while the sum is 52.

The square root of 438854479 is about 20948.8538827307. The cubic root of 438854479 is about 759.9298636800.

The spelling of 438854479 in words is "four hundred thirty-eight million, eight hundred fifty-four thousand, four hundred seventy-nine".