289495852 has 12 divisors (see below), whose sum is σ = 510485976. Its totient is φ = 143642720.

The previous prime is 289495819. The next prime is 289495853. The reversal of 289495852 is 258594982.

It is a self number, because there is not a number n which added to its sum of digits gives 289495852.

It is not an unprimeable number, because it can be changed into a prime (289495853) 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, 275713 + ... + 276760.

It is an arithmetic number, because the mean of its divisors is an integer number (42540498).

Almost surely, 2^289495852 is an apocalyptic number.

It is an amenable number.

289495852 is a deficient number, since it is larger than the sum of its proper divisors (220990124).

289495852 is a wasteful number, since it uses less digits than its factorization.

289495852 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 552608 (or 552606 counting only the distinct ones).

The product of its digits is 2073600, while the sum is 52.

The square root of 289495852 is about 17014.5776321365. The cubic root of 289495852 is about 661.5268080639.

The spelling of 289495852 in words is "two hundred eighty-nine million, four hundred ninety-five thousand, eight hundred fifty-two".