289924936 has 64 divisors (see below), whose sum is σ = 686465280. Its totient is φ = 111851520.

The previous prime is 289924931. The next prime is 289924937. The reversal of 289924936 is 639429982.

It is a happy number.

It is not an unprimeable number, because it can be changed into a prime (289924931) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 15276 + ... + 28516.

It is an arithmetic number, because the mean of its divisors is an integer number (10726020).

Almost surely, 2^289924936 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 289924936, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (343232640).

289924936 is an abundant number, since it is smaller than the sum of its proper divisors (396540344).

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

289924936 is a wasteful number, since it uses less digits than its factorization.

289924936 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 13294 (or 13290 counting only the distinct ones).

The product of its digits is 1679616, while the sum is 52.

The square root of 289924936 is about 17027.1822683614. The cubic root of 289924936 is about 661.8534799240.

The spelling of 289924936 in words is "two hundred eighty-nine million, nine hundred twenty-four thousand, nine hundred thirty-six".