1538983 has 2 divisors, whose sum is σ = 1538984. Its totient is φ = 1538982.

The previous prime is 1538963. The next prime is 1538989. The reversal of 1538983 is 3898351.

It is a strong prime.

It is an emirp because it is prime and its reverse (3898351) is a distict prime.

It is a cyclic number.

It is not a de Polignac number, because 1538983 - 2⁵ = 1538951 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (1538989) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 769491 + 769492.

It is an arithmetic number, because the mean of its divisors is an integer number (769492).

2^1538983 is an apocalyptic number.

1538983 is a deficient number, since it is larger than the sum of its proper divisors (1).

1538983 is an equidigital number, since it uses as much as digits as its factorization.

1538983 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 25920, while the sum is 37.

The square root of 1538983 is about 1240.5575359491. The cubic root of 1538983 is about 115.4546088262.

The spelling of 1538983 in words is "one million, five hundred thirty-eight thousand, nine hundred eighty-three".