289025772 has 96 divisors (see below), whose sum is σ = 842526720. Its totient is φ = 75202560.

The previous prime is 289025743. The next prime is 289025773. The reversal of 289025772 is 277520982.

It is a happy number.

It is a Harshad number since it is a multiple of its sum of digits (42).

It is not an unprimeable number, because it can be changed into a prime (289025773) by changing a digit.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 41004 + ... + 47532.

It is an arithmetic number, because the mean of its divisors is an integer number (8776320).

Almost surely, 2^289025772 is an apocalyptic number.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 289025772, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (421263360).

289025772 is an abundant number, since it is smaller than the sum of its proper divisors (553500948).

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

289025772 is a wasteful number, since it uses less digits than its factorization.

289025772 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 6591 (or 6589 counting only the distinct ones).

The product of its (nonzero) digits is 141120, while the sum is 42.

The square root of 289025772 is about 17000.7579831018. The cubic root of 289025772 is about 661.1685542368.

The spelling of 289025772 in words is "two hundred eighty-nine million, twenty-five thousand, seven hundred seventy-two".