289452044 has 24 divisors (see below), whose sum is σ = 579280800. Its totient is φ = 123970176.

The previous prime is 289452041. The next prime is 289452083. The reversal of 289452044 is 440254982.

It is a happy number.

It is a junction number, because it is equal to n+sod(n) for n = 289451989 and 289452007.

It is not an unprimeable number, because it can be changed into a prime (289452041) 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, 64382 + ... + 68730.

It is an arithmetic number, because the mean of its divisors is an integer number (24136700).

Almost surely, 2^289452044 is an apocalyptic number.

It is an amenable number.

289452044 is an abundant number, since it is smaller than the sum of its proper divisors (289828756).

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

289452044 is a wasteful number, since it uses less digits than its factorization.

289452044 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 6737 (or 6735 counting only the distinct ones).

The product of its (nonzero) digits is 92160, while the sum is 38.

The square root of 289452044 is about 17013.2902167688. The cubic root of 289452044 is about 661.4934378352.

The spelling of 289452044 in words is "two hundred eighty-nine million, four hundred fifty-two thousand, forty-four".