289280892 has 12 divisors (see below), whose sum is σ = 674988776. Its totient is φ = 96426960.

The previous prime is 289280879. The next prime is 289280899. The reversal of 289280892 is 298082982.

It is a tau number, because it is divible by the number of its divisors (12).

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (289280899) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 12053359 + ... + 12053382.

Almost surely, 2^289280892 is an apocalyptic number.

It is an amenable number.

289280892 is an abundant number, since it is smaller than the sum of its proper divisors (385707884).

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

289280892 is a wasteful number, since it uses less digits than its factorization.

289280892 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 24106748 (or 24106746 counting only the distinct ones).

The product of its (nonzero) digits is 331776, while the sum is 48.

The square root of 289280892 is about 17008.2595229494. The cubic root of 289280892 is about 661.3630325294.

The spelling of 289280892 in words is "two hundred eighty-nine million, two hundred eighty thousand, eight hundred ninety-two".