289952412 has 24 divisors (see below), whose sum is σ = 676845456. Its totient is φ = 96609408.

The previous prime is 289952401. The next prime is 289952413. The reversal of 289952412 is 214259982.

It is a happy number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (289952413) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 39288 + ... + 46080.

It is an arithmetic number, because the mean of its divisors is an integer number (28201894).

Almost surely, 2^289952412 is an apocalyptic number.

It is an amenable number.

289952412 is an abundant number, since it is smaller than the sum of its proper divisors (386893044).

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

289952412 is a wasteful number, since it uses less digits than its factorization.

289952412 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 10357 (or 10355 counting only the distinct ones).

The product of its digits is 103680, while the sum is 42.

The square root of 289952412 is about 17027.9890768112. The cubic root of 289952412 is about 661.8743870733.

The spelling of 289952412 in words is "two hundred eighty-nine million, nine hundred fifty-two thousand, four hundred twelve".