289742106 has 8 divisors (see below), whose sum is σ = 579484224. Its totient is φ = 96580700.

The previous prime is 289742099. The next prime is 289742129. The reversal of 289742106 is 601247982.

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

289742106 is an admirable number.

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, 24145170 + ... + 24145181.

It is an arithmetic number, because the mean of its divisors is an integer number (72435528).

Almost surely, 2^289742106 is an apocalyptic number.

289742106 is a primitive abundant number, since it is smaller than the sum of its proper divisors, none of which is abundant.

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

289742106 is a wasteful number, since it uses less digits than its factorization.

289742106 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 48290356.

The product of its (nonzero) digits is 48384, while the sum is 39.

The square root of 289742106 is about 17021.8126531812. The cubic root of 289742106 is about 661.7143265298.

The spelling of 289742106 in words is "two hundred eighty-nine million, seven hundred forty-two thousand, one hundred six".