272381438 has 32 divisors (see below), whose sum is σ = 483287040. Its totient is φ = 112668480.

The previous prime is 272381423. The next prime is 272381441. The reversal of 272381438 is 834183272.

It is a Smith number, since the sum of its digits (38) coincides with the sum of the digits of its prime factors. Since it is squarefree, it is also a hoax number.

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

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 246395 + ... + 247497.

It is an arithmetic number, because the mean of its divisors is an integer number (15102720).

Almost surely, 2^272381438 is an apocalyptic number.

272381438 is a deficient number, since it is larger than the sum of its proper divisors (210905602).

272381438 is a wasteful number, since it uses less digits than its factorization.

272381438 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1712.

The product of its digits is 64512, while the sum is 38.

The square root of 272381438 is about 16503.9824890843. The cubic root of 272381438 is about 648.2250891439.

The spelling of 272381438 in words is "two hundred seventy-two million, three hundred eighty-one thousand, four hundred thirty-eight".