289048499 has 4 divisors (see below), whose sum is σ = 289149336. Its totient is φ = 288947664.

The previous prime is 289048471. The next prime is 289048523. The reversal of 289048499 is 994840982.

It is a semiprime because it is the product of two primes.

It is a cyclic number.

It is not a de Polignac number, because 289048499 - 2¹⁶ = 288982963 is a prime.

It is a Duffinian number.

It is a self number, because there is not a number n which added to its sum of digits gives 289048499.

It is not an unprimeable number, because it can be changed into a prime (289048999) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 45989 + ... + 51894.

It is an arithmetic number, because the mean of its divisors is an integer number (72287334).

Almost surely, 2^289048499 is an apocalyptic number.

289048499 is a deficient number, since it is larger than the sum of its proper divisors (100837).

289048499 is an equidigital number, since it uses as much as digits as its factorization.

289048499 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 100836.

The product of its (nonzero) digits is 1492992, while the sum is 53.

The square root of 289048499 is about 17001.4263813364. The cubic root of 289048499 is about 661.1858836994.

The spelling of 289048499 in words is "two hundred eighty-nine million, forty-eight thousand, four hundred ninety-nine".