289236996 has 36 divisors (see below), whose sum is σ = 736719984. Its totient is φ = 95674800.

The previous prime is 289236979. The next prime is 289237009. The reversal of 289236996 is 699632982.

It is a tau number, because it is divible by the number of its divisors (36).

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 11 ways as a sum of consecutive naturals, for example, 25950 + ... + 35381.

It is an arithmetic number, because the mean of its divisors is an integer number (20464444).

Almost surely, 2^289236996 is an apocalyptic number.

It is an amenable number.

289236996 is an abundant number, since it is smaller than the sum of its proper divisors (447482988).

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

289236996 is a wasteful number, since it uses less digits than its factorization.

289236996 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 61472 (or 61467 counting only the distinct ones).

The product of its digits is 2519424, while the sum is 54.

The square root of 289236996 is about 17006.9690421309. The cubic root of 289236996 is about 661.3295787008.

The spelling of 289236996 in words is "two hundred eighty-nine million, two hundred thirty-six thousand, nine hundred ninety-six".