287729696 has 12 divisors (see below), whose sum is σ = 566467902. Its totient is φ = 143864832.

The previous prime is 287729681. The next prime is 287729699. The reversal of 287729696 is 696927782.

It is a happy number.

287729696 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., 263088400 + 24641296 = 16220^2 + 4964^2 .

It is not an unprimeable number, because it can be changed into a prime (287729699) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 4495745 + ... + 4495808.

Almost surely, 2^287729696 is an apocalyptic number.

It is an amenable number.

287729696 is a deficient number, since it is larger than the sum of its proper divisors (278738206).

287729696 is an equidigital number, since it uses as much as digits as its factorization.

287729696 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 8991563 (or 8991555 counting only the distinct ones).

The product of its digits is 4572288, while the sum is 56.

The square root of 287729696 is about 16962.5969709830. The cubic root of 287729696 is about 660.1787822982.

The spelling of 287729696 in words is "two hundred eighty-seven million, seven hundred twenty-nine thousand, six hundred ninety-six".