289855106 has 8 divisors (see below), whose sum is σ = 437059584. Its totient is φ = 144168580.

The previous prime is 289855091. The next prime is 289855123. The reversal of 289855106 is 601558982.

289855106 is digitally balanced in base 3, because in such base it contains all the possibile digits an equal number of times.

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, 379010 + ... + 379773.

It is an arithmetic number, because the mean of its divisors is an integer number (54632448).

Almost surely, 2^289855106 is an apocalyptic number.

289855106 is a deficient number, since it is larger than the sum of its proper divisors (147204478).

289855106 is a wasteful number, since it uses less digits than its factorization.

289855106 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 758976.

The product of its (nonzero) digits is 172800, while the sum is 44.

The square root of 289855106 is about 17025.1316000787. The cubic root of 289855106 is about 661.8003386521.

It can be divided in two parts, 28985 and 5106, that multiplied together give a triangular number (147997410 = T₁₇₂₀₄).

The spelling of 289855106 in words is "two hundred eighty-nine million, eight hundred fifty-five thousand, one hundred six".