289886338 has 8 divisors (see below), whose sum is σ = 496948032. Its totient is φ = 124236996.

The previous prime is 289886321. The next prime is 289886341. The reversal of 289886338 is 833688982.

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

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 10353070 + ... + 10353097.

It is an arithmetic number, because the mean of its divisors is an integer number (62118504).

Almost surely, 2^289886338 is an apocalyptic number.

289886338 is a deficient number, since it is larger than the sum of its proper divisors (207061694).

289886338 is a wasteful number, since it uses less digits than its factorization.

289886338 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 20706176.

The product of its digits is 3981312, while the sum is 55.

The square root of 289886338 is about 17026.0488076359. The cubic root of 289886338 is about 661.8241075461.

The spelling of 289886338 in words is "two hundred eighty-nine million, eight hundred eighty-six thousand, three hundred thirty-eight".