1409983 has 4 divisors (see below), whose sum is σ = 1418040. Its totient is φ = 1401928.

The previous prime is 1409977. The next prime is 1409999. The reversal of 1409983 is 3899041.

It is a semiprime because it is the product of two primes, and also an emirpimes, since its reverse is a distinct semiprime: 3899041 = 313 ⋅12457.

It is not a de Polignac number, because 1409983 - 2¹³ = 1401791 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 (1409783) 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 3 ways as a sum of consecutive naturals, for example, 3760 + ... + 4117.

It is an arithmetic number, because the mean of its divisors is an integer number (354510).

2^1409983 is an apocalyptic number.

1409983 is a deficient number, since it is larger than the sum of its proper divisors (8057).

1409983 is an equidigital number, since it uses as much as digits as its factorization.

1409983 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 8056.

The product of its (nonzero) digits is 7776, while the sum is 34.

The square root of 1409983 is about 1187.4270503909. The cubic root of 1409983 is about 112.1341663844.

The spelling of 1409983 in words is "one million, four hundred nine thousand, nine hundred eighty-three".