289473338 has 32 divisors (see below), whose sum is σ = 545287680. Its totient is φ = 111962160.

The previous prime is 289473323. The next prime is 289473347. The reversal of 289473338 is 833374982.

It is a junction number, because it is equal to n+sod(n) for n = 289473292 and 289473301.

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 14645 + ... + 28167.

It is an arithmetic number, because the mean of its divisors is an integer number (17040240).

Almost surely, 2^289473338 is an apocalyptic number.

289473338 is a deficient number, since it is larger than the sum of its proper divisors (255814342).

289473338 is a wasteful number, since it uses less digits than its factorization.

289473338 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 13682.

The product of its digits is 870912, while the sum is 47.

The square root of 289473338 is about 17013.9160101371. The cubic root of 289473338 is about 661.5096587098.

The spelling of 289473338 in words is "two hundred eighty-nine million, four hundred seventy-three thousand, three hundred thirty-eight".