289122672 has 40 divisors (see below), whose sum is σ = 790837776. Its totient is φ = 90704896.

The previous prime is 289122671. The next prime is 289122679. The reversal of 289122672 is 276221982.

It is a self number, because there is not a number n which added to its sum of digits gives 289122672.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (289122671) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 176343 + ... + 177974.

Almost surely, 2^289122672 is an apocalyptic number.

It is an amenable number.

289122672 is an abundant number, since it is smaller than the sum of its proper divisors (501715104).

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

289122672 is a wasteful number, since it uses less digits than its factorization.

289122672 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 354345 (or 354339 counting only the distinct ones).

The product of its digits is 48384, while the sum is 39.

The square root of 289122672 is about 17003.6076172088. The cubic root of 289122672 is about 661.2424347008.

The spelling of 289122672 in words is "two hundred eighty-nine million, one hundred twenty-two thousand, six hundred seventy-two".