1383983 has 2 divisors, whose sum is σ = 1383984. Its totient is φ = 1383982.

The previous prime is 1383961. The next prime is 1384013. The reversal of 1383983 is 3893831.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 1383983 - 2¹⁰ = 1382959 is a prime.

It is a plaindrome in base 12.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (1383913) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 691991 + 691992.

It is an arithmetic number, because the mean of its divisors is an integer number (691992).

2^1383983 is an apocalyptic number.

1383983 is a deficient number, since it is larger than the sum of its proper divisors (1).

1383983 is an equidigital number, since it uses as much as digits as its factorization.

1383983 is an evil number, because the sum of its binary digits is even.

The product of its digits is 15552, while the sum is 35.

The square root of 1383983 is about 1176.4280683493. The cubic root of 1383983 is about 111.4406368232.

The spelling of 1383983 in words is "one million, three hundred eighty-three thousand, nine hundred eighty-three".