1983297 has 4 divisors (see below), whose sum is σ = 2644400. Its totient is φ = 1322196.

The previous prime is 1983257. The next prime is 1983301. The reversal of 1983297 is 7923891.

It is a semiprime because it is the product of two primes, and also a Blum integer, because the two primes are equal to 3 mod 4.

It is not a de Polignac number, because 1983297 - 2¹⁰ = 1982273 is a prime.

It is a D-number.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (1983227) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 330547 + ... + 330552.

It is an arithmetic number, because the mean of its divisors is an integer number (661100).

2^1983297 is an apocalyptic number.

It is an amenable number.

1983297 is a deficient number, since it is larger than the sum of its proper divisors (661103).

1983297 is an equidigital number, since it uses as much as digits as its factorization.

1983297 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 661102.

The product of its digits is 27216, while the sum is 39.

The square root of 1983297 is about 1408.2957785920. The cubic root of 1983297 is about 125.6403830077.

The spelling of 1983297 in words is "one million, nine hundred eighty-three thousand, two hundred ninety-seven".