1969983 has 6 divisors (see below), whose sum is σ = 2845544. Its totient is φ = 1313316.

The previous prime is 1969969. The next prime is 1969987. The reversal of 1969983 is 3899691.

It is not a de Polignac number, because 1969983 - 2⁴ = 1969967 is a prime.

It is a Duffinian number.

It is a zygodrome in base 2.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1969987) by changing a digit.

It is a polite number, since it can be written in 5 ways as a sum of consecutive naturals, for example, 109435 + ... + 109452.

2^1969983 is an apocalyptic number.

1969983 is a deficient number, since it is larger than the sum of its proper divisors (875561).

1969983 is a wasteful number, since it uses less digits than its factorization.

1969983 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 218893 (or 218890 counting only the distinct ones).

The product of its digits is 104976, while the sum is 45.

The square root of 1969983 is about 1403.5608287495. The cubic root of 1969983 is about 125.3586075545.

The spelling of 1969983 in words is "one million, nine hundred sixty-nine thousand, nine hundred eighty-three".