289406841 has 12 divisors (see below), whose sum is σ = 407255472. Its totient is φ = 182782584.

The previous prime is 289406839. The next prime is 289406857. The reversal of 289406841 is 148604982.

It is not a de Polignac number, because 289406841 - 2¹ = 289406839 is a prime.

It is a junction number, because it is equal to n+sod(n) for n = 289406793 and 289406802.

It is not an unprimeable number, because it can be changed into a prime (289406891) by changing a digit.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 132531 + ... + 134696.

It is an arithmetic number, because the mean of its divisors is an integer number (33937956).

Almost surely, 2^289406841 is an apocalyptic number.

It is an amenable number.

289406841 is a deficient number, since it is larger than the sum of its proper divisors (117848631).

289406841 is a wasteful number, since it uses less digits than its factorization.

289406841 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 267268 (or 267249 counting only the distinct ones).

The product of its (nonzero) digits is 110592, while the sum is 42.

The square root of 289406841 is about 17011.9617034603. The cubic root of 289406841 is about 661.4590014520.

The spelling of 289406841 in words is "two hundred eighty-nine million, four hundred six thousand, eight hundred forty-one".