289144732 has 24 divisors (see below), whose sum is σ = 524684160. Its totient is φ = 139258560.

The previous prime is 289144729. The next prime is 289144741. The reversal of 289144732 is 237441982.

It is a hoax number, since the sum of its digits (40) coincides with the sum of the digits of its distinct prime factors.

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 50773 + ... + 56179.

It is an arithmetic number, because the mean of its divisors is an integer number (21861840).

Almost surely, 2^289144732 is an apocalyptic number.

It is an amenable number.

289144732 is a deficient number, since it is larger than the sum of its proper divisors (235539428).

289144732 is a wasteful number, since it uses less digits than its factorization.

289144732 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 5901 (or 5899 counting only the distinct ones).

The product of its digits is 96768, while the sum is 40.

The square root of 289144732 is about 17004.2562907056. The cubic root of 289144732 is about 661.2592518267.

The spelling of 289144732 in words is "two hundred eighty-nine million, one hundred forty-four thousand, seven hundred thirty-two".