289353612 has 12 divisors (see below), whose sum is σ = 675158456. Its totient is φ = 96451200.

The previous prime is 289353611. The next prime is 289353629. The reversal of 289353612 is 216353982.

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

It is not an unprimeable number, because it can be changed into a prime (289353611) 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, 12056389 + ... + 12056412.

Almost surely, 2^289353612 is an apocalyptic number.

It is an amenable number.

289353612 is an abundant number, since it is smaller than the sum of its proper divisors (385804844).

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

289353612 is a wasteful number, since it uses less digits than its factorization.

289353612 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 24112808 (or 24112806 counting only the distinct ones).

The product of its digits is 77760, while the sum is 39.

The square root of 289353612 is about 17010.3971734936. The cubic root of 289353612 is about 661.4184461333.

The spelling of 289353612 in words is "two hundred eighty-nine million, three hundred fifty-three thousand, six hundred twelve".