289678694 has 16 divisors (see below), whose sum is σ = 459478656. Its totient is φ = 136747200.

The previous prime is 289678681. The next prime is 289678729. The reversal of 289678694 is 496876982.

289678694 is digitally balanced in base 3, because in such base it contains all the possibile digits an equal number of times.

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 54437 + ... + 59520.

It is an arithmetic number, because the mean of its divisors is an integer number (28717416).

Almost surely, 2^289678694 is an apocalyptic number.

289678694 is a deficient number, since it is larger than the sum of its proper divisors (169799962).

289678694 is a wasteful number, since it uses less digits than its factorization.

289678694 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 114031.

The product of its digits is 10450944, while the sum is 59.

The square root of 289678694 is about 17019.9498824174. The cubic root of 289678694 is about 661.6660494707. Note that the first 3 decimals are identical.

The spelling of 289678694 in words is "two hundred eighty-nine million, six hundred seventy-eight thousand, six hundred ninety-four".