287741368 has 16 divisors (see below), whose sum is σ = 539815680. Its totient is φ = 143790528.

The previous prime is 287741359. The next prime is 287741381. The reversal of 287741368 is 863147782.

It is a super-2 number, since 2×287741368² = 165590189717022848, which contains 22 as substring.

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 6921 + ... + 24967.

It is an arithmetic number, because the mean of its divisors is an integer number (33738480).

Almost surely, 2^287741368 is an apocalyptic number.

It is an amenable number.

287741368 is a deficient number, since it is larger than the sum of its proper divisors (252074312).

287741368 is a wasteful number, since it uses less digits than its factorization.

287741368 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 20046 (or 20042 counting only the distinct ones).

The product of its digits is 451584, while the sum is 46.

The square root of 287741368 is about 16962.9410185852. The cubic root of 287741368 is about 660.1877090822.

The spelling of 287741368 in words is "two hundred eighty-seven million, seven hundred forty-one thousand, three hundred sixty-eight".