287287296 has 192 divisors, whose sum is σ = 849139200. Its totient is φ = 85966848.

The previous prime is 287287289. The next prime is 287287309. The reversal of 287287296 is 692782782.

It is a tau number, because it is divible by the number of its divisors (192).

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 2684875 + ... + 2684981.

It is an arithmetic number, because the mean of its divisors is an integer number (4422600).

Almost surely, 2^287287296 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 287287296, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (424569600).

287287296 is an abundant number, since it is smaller than the sum of its proper divisors (561851904).

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

287287296 is a wasteful number, since it uses less digits than its factorization.

287287296 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 174 (or 154 counting only the distinct ones).

The product of its digits is 1354752, while the sum is 51.

The square root of 287287296 is about 16949.5514984910. The cubic root of 287287296 is about 659.8402551864.

The spelling of 287287296 in words is "two hundred eighty-seven million, two hundred eighty-seven thousand, two hundred ninety-six".