272389 has 8 divisors (see below), whose sum is σ = 306432. Its totient is φ = 240240.

The previous prime is 272383. The next prime is 272399. The reversal of 272389 is 983272.

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

It is not a de Polignac number, because 272389 - 2³ = 272381 is a prime.

It is a d-powerful number, because it can be written as 2⁸ + 7⁴ + 3 + 2¹⁰ + 8⁶ + 9⁴ .

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

It is a Duffinian number.

It is a self number, because there is not a number n which added to its sum of digits gives 272389.

It is a congruent number.

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

It is a pernicious number, because its binary representation contains a prime number (5) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 157 + ... + 754.

It is an arithmetic number, because the mean of its divisors is an integer number (38304).

2²⁷²³⁸⁹ is an apocalyptic number.

It is an amenable number.

272389 is a deficient number, since it is larger than the sum of its proper divisors (34043).

272389 is a wasteful number, since it uses less digits than its factorization.

272389 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 947.

The product of its digits is 6048, while the sum is 31.

The square root of 272389 is about 521.9089958987. The cubic root of 272389 is about 64.8231087880.

The spelling of 272389 in words is "two hundred seventy-two thousand, three hundred eighty-nine".