1983453 has 8 divisors (see below), whose sum is σ = 2678400. Its totient is φ = 1305408.

The previous prime is 1983439. The next prime is 1983463. The reversal of 1983453 is 3543891.

It is a sphenic number, since it is the product of 3 distinct primes.

It is not a de Polignac number, because 1983453 - 2⁴ = 1983437 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1983413) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 3948 + ... + 4421.

It is an arithmetic number, because the mean of its divisors is an integer number (334800).

2^1983453 is an apocalyptic number.

It is an amenable number.

1983453 is a deficient number, since it is larger than the sum of its proper divisors (694947).

1983453 is an equidigital number, since it uses as much as digits as its factorization.

1983453 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 8451.

The product of its digits is 12960, while the sum is 33.

The square root of 1983453 is about 1408.3511635952. The cubic root of 1983453 is about 125.6436770825.

The spelling of 1983453 in words is "one million, nine hundred eighty-three thousand, four hundred fifty-three".