273238889 has 8 divisors (see below), whose sum is σ = 340661568. Its totient is φ = 212913360.

The previous prime is 273238843. The next prime is 273238891. The reversal of 273238889 is 988832372.

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

It is a de Polignac number, because none of the positive numbers 2^k-273238889 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (273234889) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 1774202 + ... + 1774355.

It is an arithmetic number, because the mean of its divisors is an integer number (42582696).

Almost surely, 2^273238889 is an apocalyptic number.

It is an amenable number.

273238889 is a deficient number, since it is larger than the sum of its proper divisors (67422679).

273238889 is a wasteful number, since it uses less digits than its factorization.

273238889 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 3548575.

The product of its digits is 1161216, while the sum is 50.

The square root of 273238889 is about 16529.9391710919. The cubic root of 273238889 is about 648.9045762570.

The spelling of 273238889 in words is "two hundred seventy-three million, two hundred thirty-eight thousand, eight hundred eighty-nine".