287952002 has 30 divisors (see below), whose sum is σ = 474603999. Its totient is φ = 131029080.

The previous prime is 287951999. The next prime is 287952013. The reversal of 287952002 is 200259782.

It can be written as a sum of positive squares in 3 ways, for example, as 5041 + 287946961 = 71^2 + 16969^2 .

It is an ABA number since it can be written as A⋅B^A, here for A=2, B=11999.

It is a Duffinian number.

It is an unprimeable number.

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 14 ways as a sum of consecutive naturals, for example, 4055627 + ... + 4055697.

Almost surely, 2^287952002 is an apocalyptic number.

287952002 is a deficient number, since it is larger than the sum of its proper divisors (186651997).

287952002 is an frugal number, since it uses more digits than its factorization.

287952002 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 196 (or 86 counting only the distinct ones).

The product of its (nonzero) digits is 20160, while the sum is 35.

The square root of 287952002 is about 16969.1485349148. The cubic root of 287952002 is about 660.3487611888.

The spelling of 287952002 in words is "two hundred eighty-seven million, nine hundred fifty-two thousand, two".