840083 has 2 divisors, whose sum is σ = 840084. Its totient is φ = 840082.

The previous prime is 840067. The next prime is 840109. The reversal of 840083 is 380048.

840083 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 840083 - 2⁴ = 840067 is a prime.

It is a Sophie Germain prime.

It is not a weakly prime, because it can be changed into another prime (840023) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 420041 + 420042.

It is an arithmetic number, because the mean of its divisors is an integer number (420042).

2⁸⁴⁰⁰⁸³ is an apocalyptic number.

840083 is a deficient number, since it is larger than the sum of its proper divisors (1).

840083 is an equidigital number, since it uses as much as digits as its factorization.

840083 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 768, while the sum is 23.

The square root of 840083 is about 916.5604180849. The cubic root of 840083 is about 94.3569871913.

The spelling of 840083 in words is "eight hundred forty thousand, eighty-three".