289942463 has 8 divisors (see below), whose sum is σ = 309209040. Its totient is φ = 270921600.

The previous prime is 289942441. The next prime is 289942571. The reversal of 289942463 is 364249982.

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 289942463 - 2²⁸ = 21507007 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (289942423) 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, 58988 + ... + 63713.

It is an arithmetic number, because the mean of its divisors is an integer number (38651130).

Almost surely, 2^289942463 is an apocalyptic number.

289942463 is a deficient number, since it is larger than the sum of its proper divisors (19266577).

289942463 is a wasteful number, since it uses less digits than its factorization.

289942463 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 122857.

The product of its digits is 746496, while the sum is 47.

The square root of 289942463 is about 17027.6969376366. The cubic root of 289942463 is about 661.8668167924.

The spelling of 289942463 in words is "two hundred eighty-nine million, nine hundred forty-two thousand, four hundred sixty-three".