289948463 has 8 divisors (see below), whose sum is σ = 336316032. Its totient is φ = 244817496.

The previous prime is 289948459. The next prime is 289948471. The reversal of 289948463 is 364849982.

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

It is not a de Polignac number, because 289948463 - 2² = 289948459 is a prime.

It is a super-2 number, since 2×289948463² = 168140222392124738, which contains 22 as substring.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (289948403) 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, 308645 + ... + 309582.

It is an arithmetic number, because the mean of its divisors is an integer number (42039504).

Almost surely, 2^289948463 is an apocalyptic number.

289948463 is a deficient number, since it is larger than the sum of its proper divisors (46367569).

289948463 is an equidigital number, since it uses as much as digits as its factorization.

289948463 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 618301.

The product of its digits is 2985984, while the sum is 53.

The square root of 289948463 is about 17027.8731202696. The cubic root of 289948463 is about 661.8713822655.

The spelling of 289948463 in words is "two hundred eighty-nine million, nine hundred forty-eight thousand, four hundred sixty-three".