438272427 has 16 divisors (see below), whose sum is σ = 619781760. Its totient is φ = 274530432.

The previous prime is 438272399. The next prime is 438272459. The reversal of 438272427 is 724272834.

It is not a de Polignac number, because 438272427 - 2¹⁸ = 438010283 is a prime.

It is not an unprimeable number, because it can be changed into a prime (438272477) 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, 24628 + ... + 38510.

It is an arithmetic number, because the mean of its divisors is an integer number (38736360).

Almost surely, 2^438272427 is an apocalyptic number.

438272427 is a deficient number, since it is larger than the sum of its proper divisors (181509333).

438272427 is a wasteful number, since it uses less digits than its factorization.

438272427 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 14522.

The product of its digits is 150528, while the sum is 39.

The square root of 438272427 is about 20934.9570575151. The cubic root of 438272427 is about 759.5937504495.

The spelling of 438272427 in words is "four hundred thirty-eight million, two hundred seventy-two thousand, four hundred twenty-seven".