289231282 has 16 divisors (see below), whose sum is σ = 446105880. Its totient is φ = 140579712.

The previous prime is 289231277. The next prime is 289231291. The reversal of 289231282 is 282132982.

It can be written as a sum of positive squares in 4 ways, for example, as 242705241 + 46526041 = 15579^2 + 6821^2 .

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 963 + ... + 24070.

Almost surely, 2^289231282 is an apocalyptic number.

289231282 is a deficient number, since it is larger than the sum of its proper divisors (156874598).

289231282 is a wasteful number, since it uses less digits than its factorization.

289231282 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 25197.

The product of its digits is 27648, while the sum is 37.

The square root of 289231282 is about 17006.8010513441. The cubic root of 289231282 is about 661.3252237229.

The spelling of 289231282 in words is "two hundred eighty-nine million, two hundred thirty-one thousand, two hundred eighty-two".