289089396 has 36 divisors (see below), whose sum is σ = 732443712. Its totient is φ = 96140304.

The previous prime is 289089373. The next prime is 289089407. The reversal of 289089396 is 693980982.

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

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 6885 + ... + 25011.

Almost surely, 2^289089396 is an apocalyptic number.

It is an amenable number.

289089396 is an abundant number, since it is smaller than the sum of its proper divisors (443354316).

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

289089396 is a wasteful number, since it uses less digits than its factorization.

289089396 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 18580 (or 18575 counting only the distinct ones).

The product of its (nonzero) digits is 1679616, while the sum is 54.

The square root of 289089396 is about 17002.6290908200. The cubic root of 289089396 is about 661.2170655991.

The spelling of 289089396 in words is "two hundred eighty-nine million, eighty-nine thousand, three hundred ninety-six".