1938285 has 24 divisors (see below), whose sum is σ = 3538080. Its totient is φ = 978912.

The previous prime is 1938271. The next prime is 1938301. The reversal of 1938285 is 5828391.

It is not a de Polignac number, because 1938285 - 2⁴ = 1938269 is a prime.

It is a congruent number.

It is an unprimeable number.

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 23 ways as a sum of consecutive naturals, for example, 279 + ... + 1988.

It is an arithmetic number, because the mean of its divisors is an integer number (147420).

2^1938285 is an apocalyptic number.

1938285 is a gapful number since it is divisible by the number (15) formed by its first and last digit.

It is an amenable number.

1938285 is a deficient number, since it is larger than the sum of its proper divisors (1599795).

1938285 is a wasteful number, since it uses less digits than its factorization.

1938285 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2297 (or 2294 counting only the distinct ones).

The product of its digits is 17280, while the sum is 36.

The square root of 1938285 is about 1392.2230424756. The cubic root of 1938285 is about 124.6826081146.

The spelling of 1938285 in words is "one million, nine hundred thirty-eight thousand, two hundred eighty-five".