272388 has 12 divisors (see below), whose sum is σ = 635600. Its totient is φ = 90792.

The previous prime is 272383. The next prime is 272399. The reversal of 272388 is 883272.

It is a tau number, because it is divible by the number of its divisors (12).

It is an inconsummate number, since it does not exist a number n which divided by its sum of digits gives 272388.

It is not an unprimeable number, because it can be changed into a prime (272381) by changing a digit.

272388 is an untouchable number, because it is not equal to the sum of proper divisors of any number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 11338 + ... + 11361.

2²⁷²³⁸⁸ is an apocalyptic number.

It is an amenable number.

272388 is an abundant number, since it is smaller than the sum of its proper divisors (363212).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

272388 is a wasteful number, since it uses less digits than its factorization.

272388 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 22706 (or 22704 counting only the distinct ones).

The product of its digits is 5376, while the sum is 30.

The square root of 272388 is about 521.9080378764. The cubic root of 272388 is about 64.8230294612.

It can be divided in two parts, 27 and 2388, that added together give a triangular number (2415 = T₆₉).

The spelling of 272388 in words is "two hundred seventy-two thousand, three hundred eighty-eight".