289427752 has 16 divisors (see below), whose sum is σ = 544612500. Its totient is φ = 144197760.

The previous prime is 289427731. The next prime is 289427767. The reversal of 289427752 is 257724982.

It can be written as a sum of positive squares in 2 ways, for example, as 281098756 + 8328996 = 16766^2 + 2886^2 .

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 62127 + ... + 66622.

Almost surely, 2^289427752 is an apocalyptic number.

It is an amenable number.

289427752 is a deficient number, since it is larger than the sum of its proper divisors (255184748).

289427752 is a wasteful number, since it uses less digits than its factorization.

289427752 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 129036 (or 129032 counting only the distinct ones).

The product of its digits is 564480, while the sum is 46.

The square root of 289427752 is about 17012.5762893220. The cubic root of 289427752 is about 661.4749322388.

The spelling of 289427752 in words is "two hundred eighty-nine million, four hundred twenty-seven thousand, seven hundred fifty-two".