1938085 has 12 divisors (see below), whose sum is σ = 2478924. Its totient is φ = 1449600.

The previous prime is 1938073. The next prime is 1938103. The reversal of 1938085 is 5808391.

It can be written as a sum of positive squares in 2 ways, for example, as 1117249 + 820836 = 1057^2 + 906^2 .

It is not a de Polignac number, because 1938085 - 2¹⁵ = 1905317 is a prime.

It is a Duffinian number.

1938085 is a lucky number.

It is a self number, because there is not a number n which added to its sum of digits gives 1938085.

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 12760 + ... + 12910.

It is an arithmetic number, because the mean of its divisors is an integer number (206577).

2^1938085 is an apocalyptic number.

It is an amenable number.

1938085 is a deficient number, since it is larger than the sum of its proper divisors (540839).

1938085 is an equidigital number, since it uses as much as digits as its factorization.

1938085 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 324 (or 173 counting only the distinct ones).

The product of its (nonzero) digits is 8640, while the sum is 34.

The square root of 1938085 is about 1392.1512130512. The cubic root of 1938085 is about 124.6783195503.

The spelling of 1938085 in words is "one million, nine hundred thirty-eight thousand, eighty-five".