289396047 has 8 divisors (see below), whose sum is σ = 386005680. Its totient is φ = 192858560.

The previous prime is 289396033. The next prime is 289396091. The reversal of 289396047 is 740693982.

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

It is a cyclic number.

It is not a de Polignac number, because 289396047 - 2¹² = 289391951 is a prime.

It is a junction number, because it is equal to n+sod(n) for n = 289395987 and 289396005.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (289396147) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 7854 + ... + 25307.

It is an arithmetic number, because the mean of its divisors is an integer number (48250710).

Almost surely, 2^289396047 is an apocalyptic number.

289396047 is a deficient number, since it is larger than the sum of its proper divisors (96609633).

289396047 is a wasteful number, since it uses less digits than its factorization.

289396047 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 36073.

The product of its (nonzero) digits is 653184, while the sum is 48.

The square root of 289396047 is about 17011.6444531386. The cubic root of 289396047 is about 661.4507778763.

The spelling of 289396047 in words is "two hundred eighty-nine million, three hundred ninety-six thousand, forty-seven".