287072296 has 16 divisors (see below), whose sum is σ = 615155040. Its totient is φ = 123030960.

The previous prime is 287072293. The next prime is 287072297. The reversal of 287072296 is 692270782.

It is a happy number.

It is not an unprimeable number, because it can be changed into a prime (287072293) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 2563090 + ... + 2563201.

It is an arithmetic number, because the mean of its divisors is an integer number (38447190).

Almost surely, 2^287072296 is an apocalyptic number.

It is an amenable number.

287072296 is an abundant number, since it is smaller than the sum of its proper divisors (328082744).

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

287072296 is a wasteful number, since it uses less digits than its factorization.

287072296 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 5126304 (or 5126300 counting only the distinct ones).

The product of its (nonzero) digits is 169344, while the sum is 43.

The square root of 287072296 is about 16943.2079607139. The cubic root of 287072296 is about 659.6756104082.

The spelling of 287072296 in words is "two hundred eighty-seven million, seventy-two thousand, two hundred ninety-six".