841287 has 8 divisors (see below), whose sum is σ = 1128304. Its totient is φ = 557568.

The previous prime is 841283. The next prime is 841289. The reversal of 841287 is 782148.

It is a sphenic number, since it is the product of 3 distinct primes.

It is not a de Polignac number, because 841287 - 2² = 841283 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (841283) by changing a digit.

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 7 ways as a sum of consecutive naturals, for example, 148 + ... + 1305.

It is an arithmetic number, because the mean of its divisors is an integer number (141038).

2⁸⁴¹²⁸⁷ is an apocalyptic number.

841287 is a deficient number, since it is larger than the sum of its proper divisors (287017).

841287 is a wasteful number, since it uses less digits than its factorization.

841287 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1649.

The product of its digits is 3584, while the sum is 30.

The square root of 841287 is about 917.2169863233. The cubic root of 841287 is about 94.4020428912.

It can be divided in two parts, 841 and 287, that added together give a triangular number (1128 = T₄₇).

The spelling of 841287 in words is "eight hundred forty-one thousand, two hundred eighty-seven".