289957352 has 8 divisors (see below), whose sum is σ = 543670050. Its totient is φ = 144978672.

The previous prime is 289957319. The next prime is 289957357. The reversal of 289957352 is 253759982.

289957352 is digitally balanced in base 3, because in such base it contains all the possibile digits an equal number of times.

It can be written as a sum of positive squares in only one way, i.e., 265494436 + 24462916 = 16294^2 + 4946^2 .

It is a tau number, because it is divible by the number of its divisors (8).

It is a self number, because there is not a number n which added to its sum of digits gives 289957352.

It is not an unprimeable number, because it can be changed into a prime (289957357) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 18122327 + ... + 18122342.

Almost surely, 2^289957352 is an apocalyptic number.

It is an amenable number.

289957352 is a deficient number, since it is larger than the sum of its proper divisors (253712698).

289957352 is a wasteful number, since it uses less digits than its factorization.

289957352 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 36244675 (or 36244671 counting only the distinct ones).

The product of its digits is 1360800, while the sum is 50.

The square root of 289957352 is about 17028.1341314896. The cubic root of 289957352 is about 661.8781458981.

The spelling of 289957352 in words is "two hundred eighty-nine million, nine hundred fifty-seven thousand, three hundred fifty-two".