289399694 has 16 divisors (see below), whose sum is σ = 452731776. Its totient is φ = 138585600.

The previous prime is 289399679. The next prime is 289399699. The reversal of 289399694 is 496993982.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (289399699) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 18047 + ... + 30074.

It is an arithmetic number, because the mean of its divisors is an integer number (28295736).

Almost surely, 2^289399694 is an apocalyptic number.

289399694 is a deficient number, since it is larger than the sum of its proper divisors (163332082).

289399694 is a wasteful number, since it uses less digits than its factorization.

289399694 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 48251.

The product of its digits is 7558272, while the sum is 59.

The square root of 289399694 is about 17011.7516440842. The cubic root of 289399694 is about 661.4535564225.

The spelling of 289399694 in words is "two hundred eighty-nine million, three hundred ninety-nine thousand, six hundred ninety-four".