840763 has 16 divisors (see below), whose sum is σ = 1071360. Its totient is φ = 640800.

The previous prime is 840761. The next prime is 840767. The reversal of 840763 is 367048.

It is a cyclic number.

It is not a de Polignac number, because 840763 - 2¹ = 840761 is a prime.

It is a Duffinian number.

It is a plaindrome in base 12.

It is not an unprimeable number, because it can be changed into a prime (840761) 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 15 ways as a sum of consecutive naturals, for example, 4608 + ... + 4786.

It is an arithmetic number, because the mean of its divisors is an integer number (66960).

2⁸⁴⁰⁷⁶³ is an apocalyptic number.

840763 is a deficient number, since it is larger than the sum of its proper divisors (230597).

840763 is a wasteful number, since it uses less digits than its factorization.

840763 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 258.

The product of its (nonzero) digits is 4032, while the sum is 28.

The square root of 840763 is about 916.9312951361. The cubic root of 840763 is about 94.3824392189.

The spelling of 840763 in words is "eight hundred forty thousand, seven hundred sixty-three".