1920983 has 10 divisors (see below), whose sum is σ = 2129784. Its totient is φ = 1729376.

The previous prime is 1920959. The next prime is 1920991. The reversal of 1920983 is 3890291.

It is not a de Polignac number, because 1920983 - 2¹⁰ = 1919959 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1920913) by changing a digit.

It is a polite number, since it can be written in 9 ways as a sum of consecutive naturals, for example, 83510 + ... + 83532.

2^1920983 is an apocalyptic number.

1920983 is a deficient number, since it is larger than the sum of its proper divisors (208801).

1920983 is an frugal number, since it uses more digits than its factorization.

1920983 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 91 (or 40 counting only the distinct ones).

The product of its (nonzero) digits is 3888, while the sum is 32.

The square root of 1920983 is about 1385.9953102374. The cubic root of 1920983 is about 124.3105077967.

The spelling of 1920983 in words is "one million, nine hundred twenty thousand, nine hundred eighty-three".