289066698 has 16 divisors (see below), whose sum is σ = 642370560. Its totient is φ = 96355548.

The previous prime is 289066697. The next prime is 289066709. The reversal of 289066698 is 896660982.

It is a Harshad number since it is a multiple of its sum of digits (54), and also a Moran number because the ratio is a prime number: 5353087 = 289066698 / (2 + 8 + 9 + 0 + 6 + 6 + 6 + 9 + 8).

It is a Curzon number.

It is not an unprimeable number, because it can be changed into a prime (289066697) 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, 2676490 + ... + 2676597.

It is an arithmetic number, because the mean of its divisors is an integer number (40148160).

Almost surely, 2^289066698 is an apocalyptic number.

289066698 is an abundant number, since it is smaller than the sum of its proper divisors (353303862).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

289066698 is a wasteful number, since it uses less digits than its factorization.

289066698 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 5353098 (or 5353092 counting only the distinct ones).

The product of its (nonzero) digits is 2239488, while the sum is 54.

The square root of 289066698 is about 17001.9615927104. The cubic root of 289066698 is about 661.1997598821.

The spelling of 289066698 in words is "two hundred eighty-nine million, sixty-six thousand, six hundred ninety-eight".