289799952 has 120 divisors (see below), whose sum is σ = 856986816. Its totient is φ = 83871744.

The previous prime is 289799941. The next prime is 289799953. The reversal of 289799952 is 259997982.

It is not an unprimeable number, because it can be changed into a prime (289799953) by changing a digit.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 179533 + ... + 181139.

Almost surely, 2^289799952 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 289799952, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (428493408).

289799952 is an abundant number, since it is smaller than the sum of its proper divisors (567186864).

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

289799952 is a wasteful number, since it uses less digits than its factorization.

289799952 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1665 (or 1642 counting only the distinct ones).

The product of its digits is 7348320, while the sum is 60.

The square root of 289799952 is about 17023.5117411185. The cubic root of 289799952 is about 661.7583599180.

The spelling of 289799952 in words is "two hundred eighty-nine million, seven hundred ninety-nine thousand, nine hundred fifty-two".