289248554 has 8 divisors (see below), whose sum is σ = 495854688. Its totient is φ = 123963660.

The previous prime is 289248551. The next prime is 289248577. The reversal of 289248554 is 455842982.

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

It is a junction number, because it is equal to n+sod(n) for n = 289248499 and 289248508.

It is not an unprimeable number, because it can be changed into a prime (289248551) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 10330292 + ... + 10330319.

It is an arithmetic number, because the mean of its divisors is an integer number (61981836).

Almost surely, 2^289248554 is an apocalyptic number.

289248554 is a deficient number, since it is larger than the sum of its proper divisors (206606134).

289248554 is a wasteful number, since it uses less digits than its factorization.

289248554 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 20660620.

The product of its digits is 921600, while the sum is 47.

The square root of 289248554 is about 17007.3088406132. The cubic root of 289248554 is about 661.3383875617.

The spelling of 289248554 in words is "two hundred eighty-nine million, two hundred forty-eight thousand, five hundred fifty-four".