1640083 has 2 divisors, whose sum is σ = 1640084. Its totient is φ = 1640082.

The previous prime is 1640077. The next prime is 1640131. The reversal of 1640083 is 3800461.

It is a weak prime.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-1640083 is a prime.

It is not a weakly prime, because it can be changed into another prime (1640033) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 820041 + 820042.

It is an arithmetic number, because the mean of its divisors is an integer number (820042).

2^1640083 is an apocalyptic number.

1640083 is a deficient number, since it is larger than the sum of its proper divisors (1).

1640083 is an equidigital number, since it uses as much as digits as its factorization.

1640083 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 576, while the sum is 22.

The square root of 1640083 is about 1280.6572531322. The cubic root of 1640083 is about 117.9293601910.

The spelling of 1640083 in words is "one million, six hundred forty thousand, eighty-three".