289323982 has 16 divisors (see below), whose sum is σ = 457664400. Its totient is φ = 136797120.

The previous prime is 289323967. The next prime is 289323997.

It is a happy number.

289323982 is nontrivially palindromic in base 10.

It is an interprime number because it is at equal distance from previous prime (289323967) and next prime (289323997).

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 14932 + ... + 28312.

It is an arithmetic number, because the mean of its divisors is an integer number (28604025).

Almost surely, 2^289323982 is an apocalyptic number.

289323982 is a deficient number, since it is larger than the sum of its proper divisors (168340418).

289323982 is a wasteful number, since it uses less digits than its factorization.

289323982 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 13971.

The product of its digits is 373248, while the sum is 46.

The square root of 289323982 is about 17009.5262132724. The cubic root of 289323982 is about 661.3958688015.

The spelling of 289323982 in words is "two hundred eighty-nine million, three hundred twenty-three thousand, nine hundred eighty-two".