289827272 has 32 divisors (see below), whose sum is σ = 621635520. Its totient is φ = 124096320.

The previous prime is 289827269. The next prime is 289827281. The reversal of 289827272 is 272728982.

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, 89522 + ... + 92702.

It is an arithmetic number, because the mean of its divisors is an integer number (19426110).

Almost surely, 2^289827272 is an apocalyptic number.

It is an amenable number.

289827272 is an abundant number, since it is smaller than the sum of its proper divisors (331808248).

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

289827272 is a wasteful number, since it uses less digits than its factorization.

289827272 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 4821 (or 4817 counting only the distinct ones).

The product of its digits is 451584, while the sum is 47.

The square root of 289827272 is about 17024.3141418384. The cubic root of 289827272 is about 661.7791543432.

The spelling of 289827272 in words is "two hundred eighty-nine million, eight hundred twenty-seven thousand, two hundred seventy-two".