840883 has 4 divisors (see below), whose sum is σ = 885160. Its totient is φ = 796608.

The previous prime is 840863. The next prime is 840907. The reversal of 840883 is 388048.

It is a semiprime because it is the product of two primes.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-840883 is a prime.

It is a Duffinian number.

840883 is a lucky number.

It is not an unprimeable number, because it can be changed into a prime (840823) 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 3 ways as a sum of consecutive naturals, for example, 22110 + ... + 22147.

It is an arithmetic number, because the mean of its divisors is an integer number (221290).

2⁸⁴⁰⁸⁸³ is an apocalyptic number.

840883 is a deficient number, since it is larger than the sum of its proper divisors (44277).

840883 is a wasteful number, since it uses less digits than its factorization.

840883 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 44276.

The product of its (nonzero) digits is 6144, while the sum is 31.

The square root of 840883 is about 916.9967284565. The cubic root of 840883 is about 94.3869293284.

The spelling of 840883 in words is "eight hundred forty thousand, eight hundred eighty-three".