289972348 has 12 divisors (see below), whose sum is σ = 511103320. Its totient is φ = 143942832.

The previous prime is 289972343. The next prime is 289972379. The reversal of 289972348 is 843279982.

It is a junction number, because it is equal to n+sod(n) for n = 289972295 and 289972304.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (289972343) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 260211 + ... + 261322.

Almost surely, 2^289972348 is an apocalyptic number.

It is an amenable number.

289972348 is a deficient number, since it is larger than the sum of its proper divisors (221130972).

289972348 is a wasteful number, since it uses less digits than its factorization.

289972348 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 521676 (or 521674 counting only the distinct ones).

The product of its digits is 1741824, while the sum is 52.

The square root of 289972348 is about 17028.5744558962. The cubic root of 289972348 is about 661.8895560284.

The spelling of 289972348 in words is "two hundred eighty-nine million, nine hundred seventy-two thousand, three hundred forty-eight".