289816382 has 12 divisors (see below), whose sum is σ = 444177600. Its totient is φ = 141822876.

The previous prime is 289816381. The next prime is 289816393. The reversal of 289816382 is 283618982.

It is a hoax number, since the sum of its digits (47) coincides with the sum of the digits of its distinct prime factors.

It is a Harshad number since it is a multiple of its sum of digits (47).

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (289816381) by changing a digit.

It is a polite number, since it can be written in 5 ways as a sum of consecutive naturals, for example, 28382 + ... + 37217.

It is an arithmetic number, because the mean of its divisors is an integer number (37014800).

Almost surely, 2^289816382 is an apocalyptic number.

289816382 is a deficient number, since it is larger than the sum of its proper divisors (154361218).

289816382 is an equidigital number, since it uses as much as digits as its factorization.

289816382 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 65695 (or 65648 counting only the distinct ones).

The product of its digits is 331776, while the sum is 47.

The square root of 289816382 is about 17023.9943021607. The cubic root of 289816382 is about 661.7708656532.

The spelling of 289816382 in words is "two hundred eighty-nine million, eight hundred sixteen thousand, three hundred eighty-two".