289672734 has 16 divisors (see below), whose sum is σ = 623910672. Its totient is φ = 89130048.

The previous prime is 289672699. The next prime is 289672751. The reversal of 289672734 is 437276982.

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, 1856799 + ... + 1856954.

It is an arithmetic number, because the mean of its divisors is an integer number (38994417).

Almost surely, 2^289672734 is an apocalyptic number.

289672734 is an abundant number, since it is smaller than the sum of its proper divisors (334237938).

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

289672734 is a wasteful number, since it uses less digits than its factorization.

289672734 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 3713771.

The product of its digits is 1016064, while the sum is 48.

The square root of 289672734 is about 17019.7747928696. The cubic root of 289672734 is about 661.6615116191.

The spelling of 289672734 in words is "two hundred eighty-nine million, six hundred seventy-two thousand, seven hundred thirty-four".