272989 has 2 divisors, whose sum is σ = 272990. Its totient is φ = 272988.

The previous prime is 272983. The next prime is 272999. The reversal of 272989 is 989272.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 156025 + 116964 = 395^2 + 342^2 .

It is a cyclic number.

It is not a de Polignac number, because 272989 - 2³ = 272981 is a prime.

It is a Chen prime.

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

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (272981) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 136494 + 136495.

It is an arithmetic number, because the mean of its divisors is an integer number (136495).

2²⁷²⁹⁸⁹ is an apocalyptic number.

It is an amenable number.

272989 is a deficient number, since it is larger than the sum of its proper divisors (1).

272989 is an equidigital number, since it uses as much as digits as its factorization.

272989 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 18144, while the sum is 37.

The square root of 272989 is about 522.4834925622. The cubic root of 272989 is about 64.8706698649.

The spelling of 272989 in words is "two hundred seventy-two thousand, nine hundred eighty-nine".